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Family-centered Program Deters Substance Use, Conduct Problems, and Depressive Symptoms in Black Adolescents

Conduct problems, substance use, substance use problems, and depressive symptoms increase as black adolescents enter high school. Although family-centered prevention programs deter these problems during middle school, no such programs have been developed and evaluated for black high school students.

This study demonstrates that participation in a family-centered preventive intervention reduces conduct problems, substance use, and substance use problems among black adolescents by more than 30% compared with adolescents in an attention control condition across nearly 2 years. (Read the full article)




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The Natural Course of Infantile Spinal Muscular Atrophy With Respiratory Distress Type 1 (SMARD1)

Spinal muscular atrophy with respiratory distress type 1 (SMARD1) is a progressive, inherited neuromuscular disease manifesting with diaphragmatic paralysis in the first year of life. All patients need mechanical ventilation.

We describe the natural course of SMARD1, developed a scoring system, and defined prognostic values. The clinical outcome of the patients was heterogeneous, and residual enzymatic activity of the IGHMBP2 protein was associated with a more benign disease course. (Read the full article)




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Preterm Birth Alters the Maturation of Baroreflex Sensitivity in Sleeping Infants

Blood pressure and heart rate are altered by sleep state and postnatal age in healthy term and preterm infants. Preterm infants have altered blood pressure responses to head-up tilting during sleep.

Preterm birth has marked effects on the maturation of baroreflex sensitivity during sleep, which may contribute to the greater vulnerability of preterm infants to sudden infant death syndrome. (Read the full article)




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Trivalent Inactivated Influenza Vaccine Is Not Associated With Sickle Cell Crises in Children

Children with sickle cell disease are at high risk of complications from influenza infection and have been recommended to receive annual influenza vaccine since the 1970s. Few safety studies, however, have examined the safety of influenza vaccine in this population.

This large cohort study did not find an association between influenza vaccination and hospitalization for sickle cell crises in children with sickle cell anemia. (Read the full article)




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Histologic Chorioamnionitis Is Associated With Reduced Risk of Late-Onset Sepsis in Preterm Infants

Chorioamnionitis is associated with preterm birth and an increased risk of common adverse outcomes of prematurity, including early-onset sepsis and neurodevelopmental impairment. The effect of chorioamnionitis on postnatal immune function and risk of late-onset infection is unknown.

Chorioamnionitis, which complicates many preterm births, is independently associated with a significantly reduced risk of late-onset sepsis in preterm infants. The findings suggest that chorioamnionitis may modulate the development of postnatal immunity in a clinically significant manner. (Read the full article)




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US Estimates of Hospitalized Children With Severe Traumatic Brain Injury: Implications for Clinical Trials

Clinical trials in children with severe traumatic brain injury (TBI) are challenging. To date, no work has been published that permits clinical investigators to estimate the number and compositional features of sites from which to recruit children with severe TBI into clinical trials.

Children with severe TBI are infrequent. Less than 5% of all US hospitals discharged more than 78% of severe TBI cases. To maximize enrollment efficiency for future clinical trials, attention has to be paid to selecting appropriate hospital sites. (Read the full article)




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Mortality and Adverse Neurologic Outcomes Are Greater in Preterm Male Infants

Very low birth weight (VLBW) male neonates appear to have increased mortality. VLBW female neonates appear to have better long-term outcomes.

VLBW male neonates have increased mortality and poorer neurological outcome. This gender difference appears to disappear at weeks' gestation. (Read the full article)




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Validation of a Clinical Prediction Rule to Distinguish Lyme Meningitis From Aseptic Meningitis

Available clinical prediction rules to identify children with cerebrospinal fluid pleocytosis at low risk for Lyme meningitis include headache duration, cranial nerve palsy, and percent cerebrospinal fluid mononuclear cells. These rules require independent validation.

These clinical prediction rules accurately identify patients at low risk for Lyme meningitis in our large multicenter cohort. Children at low risk may be considered for outpatient management while awaiting Lyme serology. (Read the full article)




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Impact of a Transcutaneous Bilirubinometry Program on Resource Utilization and Severe Hyperbilirubinemia

Predischarge serum or transcutaneous bilirubinometry (TcB) measurements are recommended as appropriate screening options for identifying infants at risk for neonatal hyperbilirubinemia (NH). Visual inspection for jaundice is not reliable at identifying infants with NH in the community.

When compared with visual inspection alone, coordinated TcB screening for NH in acute-care and community settings is associated with significant improvements in laboratory utilization, patient care, convenience, and safety. (Read the full article)




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Use of Palivizumab in Primary Practice

Palivizumab administration to well-defined, high-risk groups results in reductions of hospital days, but the intervention is costly. The American Academy of Pediatrics has recommended which groups should be administered palivizumab for the best clinical and cost-effective outcomes.

In a primary practice, palivizumab was frequently used for children outside the recommended groups. Through close oversight and education, the use of palivizumab outside of recommendations was decreased. Palivizumab primary practice usage issues such as proper numbers of doses and timely administration need improvement. (Read the full article)




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Early Childhood Overweight and Asthma and Allergic Sensitization at 8 Years of Age

Overweight has been associated with an increased risk of asthma in children, although the published literature is contradictory. How change in overweight status during childhood affects asthma risk has not been well studied.

Among children whose weight has normalized, high BMI during the first 4 years of life does not increase the risk of asthma at school age. Current high BMI is associated with increased risk of asthma and sensitization to inhalant allergens. (Read the full article)




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Human Rhinoviruses in Severe Respiratory Disease in Very Low Birth Weight Infants

Human rhinovirus infections are common in children. Although historically associated with upper respiratory tract illness, rhinoviruses are increasingly recognized for their role in the exacerbation of asthma. Their role in bronchiolitis and severe lung disease in premature infants is unclear.

The authors of this study prospectively explore the role of rhinoviruses in premature infants using molecular techniques and identify these agents as the most frequent cause of hospitalization in this population. (Read the full article)




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Aerobic Capacity and Exercise Performance in Young People Born Extremely Preterm

Extreme preterm birth is associated with developmental shortcomings that may reduce exercise capacity and participation in physical activities in later life. The number of studies addressing these issues in adolescent populations is limited, test methods differ, and results are diverging.

Exercise capacity after preterm birth was in the same range as in term-born control subjects. Participation in physical activity was lower in preterm subjects compared with control subjects; however, the response to exercise in terms of increased aerobic capacity was similar. (Read the full article)




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Oral Sucrose and "Facilitated Tucking" for Repeated Pain Relief in Preterms: A Randomized Controlled Trial

Preterm infants are exposed to inadequately managed painful procedures during their NICU stay, which can lead to altered pain responses. Nonpharmacologic approaches are established for the treatment of single painful procedures, but evidence for their effectiveness across time is lacking.

Oral sucrose with or without the added technique of facilitated tucking has a pain-relieving effect even in extremely premature infants undergoing repeated pain exposures; facilitated tucking alone seems to be less effective for repeated pain exposures over time. (Read the full article)




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Citizens' Values Regarding Research With Stored Samples From Newborn Screening in Canada

Newborn screening (NBS) programs may store bloodspot samples and use them for secondary purposes, such as research. Recent public controversies and lawsuits over storage and secondary uses underscore the need to engage the public on these issues.

This public engagement study identifies values underlying citizens’ acceptance of and discomfort with research from NBS samples. Well-designed methods of public education and civic discourse on the risks and benefits of storage and secondary uses of NBS samples are required. (Read the full article)




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Genetic Causes of Macroglossia: Diagnostic Approach

Macroglossia is a clinical feature of several disorders and a common reason for additional diagnostic investigations during infancy. Limited research has been done on the evaluation of macroglossia when other features are not suggestive of Beckwith-Wiedemann syndrome.

All patients with apparently isolated macroglossia should have at least initial evaluation with abdominal ultrasounds and molecular studies for Beckwith-Wiedemann syndrome before a final diagnosis is given. Other common diagnoses included isolated macroglossia, chromosomal abnormalities, hypothyroidism, and mucopolysaccharidoses. (Read the full article)




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Late Intravenous Immunoglobulin Treatment in Patients With Kawasaki Disease

The effectiveness of intravenous immunoglobulin treatment of patients with Kawasaki disease within 9 days of illness has been established. However, the effectiveness of such treatment ≥10 days after illness onset has not yet been clarified.

Intravenous immunoglobulin treatment ≥10 days after illness onset was observed to be effective for achieving inflammation resolution. Patients who are strongly suspected to have Kawasaki disease and demonstrate ongoing inflammation should therefore be treated as soon as possible. (Read the full article)




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Cardiac Screening Prior to Stimulant Treatment of ADHD: A Survey of US-Based Pediatricians

Over the past decade, drug oversight committees and professional organizations have debated the evidence regarding cardiac screening to identify undiagnosed disorders associated with sudden cardiac death in youth with attention-deficit/hyperactivity disorder before beginning treatment with stimulants.

How practicing pediatricians have responded to this controversy is not known. We present results from a national sample of pediatricians regarding current attitudes, barriers, and practices for cardiac screening in youth with attention-deficit/hyperactivity disorder before prescribing stimulants. (Read the full article)




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Public Attitudes Regarding the Use of Residual Newborn Screening Specimens for Research

The retention and use of residual bloodspots is a practice of many state newborn screening programs. This practice has become controversial, and little is known about public attitudes on the retention and research use of newborn residual bloodspots.

This study offers a detailed analysis of public attitudes regarding bloodspot retention and use for biomedical research. The results also offer insights on how education regarding this practice influences support for newborn screening and residual bloodspot use. (Read the full article)




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Pertussis Pseudo-outbreak Linked to Specimens Contaminated by Bordetella pertussis DNA From Clinic Surfaces

Pertussis is a poorly controlled vaccine-preventable disease. Verifying outbreaks is challenging owing to nonspecific clinical presentations and imperfect diagnostic tests. Exclusive reliance on highly sensitive polymerase chain reaction has been associated with pseudo-outbreaks.

Contamination of specimens with vaccine derived Bordetella pertussis DNA from pediatric clinic surfaces likely resulted in misdiagnoses. Standard practices, liquid transport medium, and lack of polymerase chain reaction cutoffs for discerning weakly positive (contaminant) DNA are contributory, but modifiable factors. (Read the full article)




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Maternal Asthma Medication Use and the Risk of Selected Birth Defects

Asthma is a common obstructive pulmonary disease experienced during pregnancy. Clinical guidelines recommend women with asthma maintain asthma medication use during pregnancy. Epidemiologic studies suggest an association between several types of defects and asthma or asthma medication use during pregnancy.

Data from a large, population-based, multicenter, case-control study was used. This provides the opportunity to study specific birth defects with minimal heterogeneity in case groups, as well as control for a variety of potential confounders. (Read the full article)




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Incidence and Timing of Presentation of Necrotizing Enterocolitis in Preterm Infants

Necrotizing enterocolitis (NEC) can present within the first week of life in term infants. In preterm infants, NEC usually appears after commencement of feeds and can occur between 2 and 3 weeks of life.

Among infants <33 weeks’ gestation, NEC appears to occur at mean age of 7 days in more mature infants, whereas onset of NEC is delayed to 32 days of age in smaller, lower gestational age infants. (Read the full article)




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Urinary Proteome Analysis to Exclude Severe Vesicoureteral Reflux

High-grade vesicoureteral reflux is a risk factor for impaired renal function. Diagnosis by voiding cystourethrography is invasive and highly uncomfortable. As only a minority of children show high-grade vesicoureteral reflux, this exposes the majority to unnecessary distress.

This case-control study proved that high-grade vesicoureteral reflux is identifiable with high sensitivity using urinary proteome analysis, based on capillary electrophoresis coupled to mass spectrometry in a cohort suspected of having vesicoureteral reflux, thus sparing the majority of children from invasive diagnostics. (Read the full article)




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A National Profile of Childhood Epilepsy and Seizure Disorder

Epilepsy/seizure disorder is known to be associated with a range of mental health and neurodevelopmental comorbidities, based on clinical studies, and on population studies largely conducted outside the United States.

In a nationally representative sample of US children, estimated prevalence of reported lifetime epilepsy/seizure disorder was 1%, and of current epilepsy/seizure disorder was 6.3/1000. Developmental, mental health, and physical comorbidities are common, warranting enhanced surveillance, and an integrated service approach. (Read the full article)




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Value of Follow-up Examinations of Children and Adolescents Evaluated for Sexual Abuse and Assault

Although follow-up examinations are recommended for suspected victims of sexual abuse or assault, little is known about the potential benefits of a second examination with regard to diagnosing trauma or sexually transmitted infections.

In ~23% of pediatric patients evaluated for sexual abuse or assault, a second examination by a specialist changed the interpretation of trauma likelihood or results in the detection of a sexually transmitted infection. (Read the full article)




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Fetal and Maternal Candidate Single Nucleotide Polymorphism Associations With Cerebral Palsy: A Case-Control Study

Candidate genes involved in thrombophilia, inflammation, and preterm birth have previously been associated with cerebral palsy. Most studies to date have included small cohorts, did not allow for multiple testing, and require replication.

This study of children with cerebral palsy and their mothers did not confirm previously reported candidate gene associations. Prothrombin gene mutation was associated with hemiplegia in children born at term to mothers with a reported infection during pregnancy. (Read the full article)




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Randomized Trial of Oral Versus Sequential IV/Oral Antibiotic for Acute Pyelonephritis in Children

The standard initial management for infants and children with acute pyelonephritis is intravenous antibiotic treatment.

Our results support the use of an oral cefixime treatment of initial episodes of acute pyelonephritis involving a gram-negative bacteria strain in children aged 1 month to 3 years who are without urological abnormalities and without clinical hemodynamic impairment. (Read the full article)




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Carpooling and Booster Seats: A National Survey of Parents

Booster seat use improves seat belt fit and reduces risk of injury for children <57 in tall. Booster seat use decreases between ages 4 and 8 years. Children observed riding with other children frequently do not use booster seats.

In this national survey of parents, we found that a majority of parents of 4- to 8-year-old children carpool, and when they carpool booster seat use is inconsistent. Social norms and self-efficacy appear to influence booster seat use when carpooling. (Read the full article)




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Intrapartum Temperature Elevation, Epidural Use, and Adverse Outcome in Term Infants

Previous observational studies and randomized trials have reported an association between the use of epidural analgesia for pain relief in labor and intrapartum maternal fever. Studies have also reported an increase in adverse neonatal outcomes with intrapartum maternal fever.

Among low-risk women receiving epidural analgesia, intrapartum maternal temperature >99.5°F was associated with adverse neonatal outcomes, with the rate of adverse outcomes increasing directly with maximum maternal temperature. Without temperature elevation, epidural use was not associated with adverse neonatal outcomes. (Read the full article)




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Using US Data to Estimate the Incidence of Serious Physical Abuse in Children

Limited data exist about the frequency and incidence of serious injuries due to physical abuse of children. Data from Child Protective Services, which are published yearly, do not have information about severity.

This is the first study to provide US estimates on the occurrence of serious injuries due to physical abuse. The incidence was highest in infants on Medicaid. Such data can be used to track changes due to prevention. (Read the full article)




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Secondhand Smoke Exposure in Cars Among Middle and High School Students--United States, 2000-2009

Secondhand smoke exposure poses a significant health risk to nonsmokers. With the proliferation of comprehensive smoke-free laws prohibiting smoking in worksites and public areas, private areas have become the primary source of secondhand smoke exposure for many individuals, particularly youth.

Secondhand smoke exposure in cars has steadily declined among middle and high school students. However, many remain exposed to secondhand smoke in this environment. Jurisdictions should expand existing comprehensive smoke-free policies to prohibit smoking in vehicles occupied by youth. (Read the full article)




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A Primary Care-Based, Multicomponent Lifestyle Intervention for Overweight Adolescent Females

Clinic-based weight control treatments for youth have largely been designed for preadolescent children and their families by using family-based care, a strategy that may be less appealing to adolescents as they become increasingly motivated by peer acceptance rather than parental influence.

To our knowledge, this is the first study to demonstrate the efficacy of a primary care–based, multicomponent lifestyle intervention specifically tailored for overweight adolescent females and demonstrating a sustained effect (at 12 months) extending beyond the active 5-month intervention. (Read the full article)




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Effect of Repeated Dietary Counseling on Serum Lipoproteins From Infancy to Adulthood

Atherosclerotic cardiovascular diseases have roots in childhood. Modification of dietary fat intake influences serum lipid and lipoprotein concentrations. Reduction of saturated fat intake is recommended to promote cardiovascular health.

Dietary counseling had a beneficial effect on saturated fat intake from ages 7 months to 19 years. The counseling reduced serum low-density lipoprotein cholesterol concentrations in both genders. It also decreased computationally estimated concentrations of intermediate-density lipoprotein cholesterol, very low-density lipoprotein–triglycerides and apolipoprotein B in boys. (Read the full article)




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Maternal Serum Vitamin D Levels During Pregnancy and Offspring Neurocognitive Development

Vitamin D levels in the general population have decreased considerably over the past decade. The implications of maternal vitamin D insufficiency during pregnancy for offspring neurocognitive development remain unclear.

Studying a large sample and using a prospective longitudinal design, this study demonstrates a link between maternal vitamin D insufficiency during pregnancy and offspring language impairment. There was no association with childhood behavioral or emotional problems. (Read the full article)




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A Statewide Trial of the SafeCare Home-based Services Model With Parents in Child Protective Services

Neglect cases in Child Protective Services often receive home-based interventions, but their success in preventing maltreatment recidivism has been elusive. Structured, behavioral skills models, such as SafeCare, are promising but have not been tested in full-scale implementation trials.

This cluster trial experiment demonstrates significant maltreatment recidivism reduction due to implementing the SafeCare model in a fully scaled-up statewide system. The findings support adopting the SafeCare model for these types of services. (Read the full article)




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Childhood Gender Nonconformity: A Risk Indicator for Childhood Abuse and Posttraumatic Stress in Youth

Childhood gender nonconformity has been associated with poorer relationships with parents, but it is unknown if childhood gender nonconformity is associated with childhood abuse or with posttraumatic stress disorder.

We identify gender nonconformity before age 11 years as a risk indicator for physical, sexual, and psychological abuse in childhood and lifetime probable posttraumatic stress disorder in youth. (Read the full article)




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Self-Referral and Serious Illness in Children With Fever

General measures discourage all self-referrals to the emergency department. For adults, self-referral to the emergency department has been associated with nonsevere disease, whereas severity of illness of self-referred children is still unknown.

One in four parents properly judged and acted on their febrile child’s illness by presentation to the emergency department on their own initiative. Measures to discourage parents from self-referral may potentially result in delayed or missed diagnoses. (Read the full article)




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Enrollment of Extremely Low Birth Weight Infants in a Clinical Research Study May Not Be Representative

The demographics of trials that use antenatal consent may not be representative of the populations that they are intended to study.

This study analyzes the difference in clinical outcomes between the enrolled and eligible but not enrolled populations of a trial that required antenatal consent. (Read the full article)




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What the Orphan Drug Act Has Done Lately for Children With Rare Diseases: A 10-Year Analysis

Rare diseases in childhood can be debilitating and require lifelong care. Since 1983, the Orphan Drug Act incentives have stimulated the development and significantly improved the availability of treatment products for patients with rare diseases.

We report an increasing pediatric orphan product designations and approvals from 2000 to 2009. The trend indicates that the Orphan Drug Act has continued to address this important unmet need. (Read the full article)




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Sleep-Disordered Breathing in a Population-Based Cohort: Behavioral Outcomes at 4 and 7 Years

Sleep-disordered breathing is associated with neurobehavioral morbidity in children. Prior related research has generally been cross-sectional or short (ie, 1–2 years) follow-up studies of a single symptom (ie, snoring, obstructive sleep apnea, mouth breathing), with limited control for confounders.

Sleep-disordered breathing was assessed as a trajectory of combined symptoms from 6 months to 69 months, in more than 11 000 children. Sleep-disordered breathing was associated with 40% and 60% more behavioral difficulties at 4 and 7 years, respectively. (Read the full article)




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Analgesic Effect of Breast Milk Versus Sucrose for Analgesia During Heel Lance in Late Preterm Infants

Breastfeeding and oral sucrose have shown an analgesic effect in premature newborn infants for minor painful procedures. Studies suggest that the analgesic properties of breast milk are superior to oral sucrose in term neonates.

For premature infants from 32 to 37 weeks, there is no significant difference in analgesic effect between breast milk and oral sucrose. Breast milk is a safe and natural method for pain relief in late preterm infants. (Read the full article)




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Development of a Pragmatic Measure for Evaluating and Optimizing Rapid Response Systems

The availability of rapid response systems to assist deteriorating patients is the standard of care in children’s hospitals. Metrics for evaluating their effectiveness include cardiac and respiratory arrest rates, rare events that require years of data to show significant improvements.

A proximate outcome for in-hospital mortality among patients receiving rapid response system assistance was developed. This "critical deterioration" metric was eightfold more common than arrests and demonstrated criterion and construct validity, facilitating meaningful evaluation over shorter periods of time. (Read the full article)




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Breast Milk and Glucose for Pain Relief in Preterm Infants: A Noninferiority Randomized Controlled Trial

Numerous late preterm infants undergo repetitive heel lancing procedures during their first hours of life to evaluate glycemic control. Heel lances are painful and 25% glucose solution is effective on reducing procedural neonatal pain scores and crying behavior.

This noninferiority randomized controlled trial demonstrated that compared with breast milk, 25% glucose provided lower pain scores and reduced duration of cry. Further research is necessary to clarify breast milk’s mechanisms and efficacy on neonatal pain relief. (Read the full article)




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A Randomized Controlled Trial of Zinc as Adjuvant Therapy for Severe Pneumonia in Young Children

Pneumonia is still a significant problem in young children from developing countries where zinc deficiency is prevalent. Although zinc supplementation reduces the risk of childhood pneumonia, the effect of adjunct zinc on severe pneumonia is unclear with conflicting results.

The overall effect, if any, of zinc as adjuvant therapy for World Health Organization–defined severe pneumonia in young children is small. (Read the full article)




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Incidence and Cost of Injury Among Youth in Agricultural Settings, United States, 2001-2006

Several studies have analyzed fatal or nonfatal youth injury incidence in US agricultural settings, but none have combined those estimates to form an overall picture. The only detailed study of costs related to such injuries is restricted to nonfatal injury.

This study provides a comprehensive analysis of the annual incidence and cost of agricultural youth injuries in the United States. It analyzes them from different perspectives: fatal versus nonfatal, at work versus not at work, and requiring hospitalization versus not requiring hospitalization. (Read the full article)




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Hospital Variation in Nitric Oxide Use for Premature Infants

Inhaled nitric oxide for premature infants has been evaluated in multiple studies; however, these trials differed in treatment initiation, duration of therapy, and inclusion criteria. Furthermore, these trials reached differing conclusions regarding the benefit of inhaled nitric oxide.

We used a large sample of infants from children’s hospitals and found that the use of inhaled nitric oxide in premature infants was variable even when controlling for demographic characteristics and disease. (Read the full article)




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Triage Nurse Initiation of Corticosteroids in Pediatric Asthma Is Associated With Improved Emergency Department Efficiency

Early administration of oral corticosteroids is essential for children presenting to emergency departments with moderate to severe acute asthma exacerbations, because subsequent admission need is directly related to time to receipt of systemic steroids, yet delays to administration remain long.

A medical directive allowing nurse initiation of oral corticosteroids before physician assessment was associated with improved quality and efficiency of care provided in the pediatric emergency department by ensuring implementation of evidence-based practice. (Read the full article)




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Impact of Rotavirus Vaccine on Diarrhea-Associated Disease Burden Among American Indian and Alaska Native Children

In the prerotavirus vaccine era, diarrhea-associated hospitalization and outpatient rates among American Indian and Alaska Native children were higher than those among the general US population. Routine rotavirus vaccination has dramatically decreased rotavirus diarrhea burden in the general US population.

Decreases in diarrhea-associated hospitalization and outpatient rates among American Indian and Alaska Native children in postvaccine years were observed in all Indian Health Service regions, with declines greater in each subsequent year after vaccine introduction. (Read the full article)




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Accuracy and Usefulness of the HEDIS Childhood Immunization Measures

Healthcare Effectiveness Data and Information Set (HEDIS) measures are widely used to assess the reliability of pediatric immunization delivery. The extent to which these measures provide accurate ("is this child up-to-date on immunizations?") and useful ("is this child due for catch-up immunizations?") information is unclear.

Overall, HEDIS childhood immunization measures are accurate and useful. Users of HEDIS data should be aware, however, that certain immunizations (eg, hepatitis B, pneumococcal conjugate) and children (eg, those with a single overdue immunization) are more prone to HEDIS misclassification. (Read the full article)




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Measles-Containing Vaccines and Febrile Seizures in Children Age 4 to 6 Years

Febrile seizure risk 7 to 10 days after measles-mumps-rubella-varicella (MMRV) is double that of separate measles-mumps-rubella (MMR) and varicella vaccines among 1-year-olds. Whether MMRV or MMR and varicella affect febrile seizure risk among 4- to 6-year-olds has not been reported.

Using Vaccine Safety Datalink data, we examined risk for febrile seizures after measles-containing vaccines. This study provides reassurance that MMRV and separately administered MMR and varicella were not associated with increased risk of febrile seizures among 4- to 6-year-olds. (Read the full article)