The virus could be carried to the ocean in runoff and then kicked into the air by the surf, a Scripps scientist says.

Coronavirus immunity tests are key to returning to 'normal.' But there are concerns that the problems with detection testing may also slow immunity testing.

The program had worked with labs in Wuhan, China, and around the world to detect deadly viruses that could jump from animals to humans.

China's multibillion-dollar wildlife industry is driven by corporate interests and traditional Chinese medicine companies whose animal-based remedies are prescribed as treatment for the coronavirus.

A top health official warns that San Francisco hospitals still could be overwhelmed with COVID-19 patients.

The CDC now recommends that the public wear cloth face masks while also urging that high-grade equipment be reserved for medical personnel.

It's possible that the new coronavirus can spread from person to person simply by talking, or even breathing, according to preliminary studies.

How can the new coronavirus affect people so differently — killing some while leaving others blissfully unaware that they have been infected at all?

Face coverings and masks may help to stem the spread of the coronavirus. But how to keep them clean?

Inhaled nitric oxide appeared to kill the coronavirus that caused severe acute respiratory syndrome, or SARS, and it might work on COVID-19 as well.

Coronavirus continues to spread, but the Trump administration disbanded the team that could have helped.

A new study of 10 coronavirus patients in China gives further credence to the effectiveness of convalescent plasma therapy.

As Bay Area coronavirus infection rate eases, the focus turns to Southern California, especially L.A. County, with 6,000 cases and rising: a good week to "skip shopping altogether."

It's our visual prompt to stay away, but stay-at-home orders have given new purpose to caution tape.

Several groups of researchers are testing different methods to divert critically ill COVID-19 patients from needing ventilators in the first place.

Dr. Colleen Kraft was part of the Emory University team that successfully cared for America's first Ebola patients. She now is a cool-headed stalwart who is soothing nerves during the coronavirus pandemic.

The public should realize that COVID-19 cases are likely to rise when stay-at-home orders are eased, officials said.

With mechanical ventilators in short supply, doctors are scrambling to find alternatives for patients fighting the coronavirus. Here are some of their options.

Is it safe to have sex with my partner or with a person I met on Tinder? Can I pick my nose at home? Do I need to disinfect my groceries? A virologist answers.

As researchers race to develop a vaccine for COVID-19, the potential for the coronavirus to perpetually rebound has ramped up the urgency in finding a worldwide cure.

California coronavirus curve: Fewer deaths, long quarantine

The coronavirus changed our lives. Health experts discuss how we might get back to normal.

Chinese companies producing faulty testing kits and masks are marring Beijing's attempts to assert leadership in the fight against the coronavirus.

Getty Images' John Moore documented emergency medical workers on the ground in New York in the first week of April as the coronavirus ravaged the state.

A preliminary report on patients infected with the coronavirus suggests the drug remdesivir may lower the risk of death in those with severe cases of COVID-19.

After the coronavirus pandemic cools down, how will California start getting back to normal? Slowly, methodically and in stages.

Until there's a vaccine to prevent infection with the new coronavirus, old vaccines against other germs might help. Scientists are testing them now.

A UCLA medical epidemiologist and infectious disease expert discusses a possible timeline for reopening California after the coronavirus shutdown.

With a smartphone app and a little free time, citizen scientists can share coronavirus data that might help bring the COVID-19 pandemic under control.

Ultraviolet light may become an important tool for fighting the coronavirus by sterilizing masks and other high-touch items. We look at what UV light can and can't do.

It could be sometime in May before California officials begin to seriously contemplate how they might start to gradually ease the stay-at-home order.

This may help explain why the coronavirus has hit the U.S. so hard: Obesity appears to be a risk factor for serious cases of COVID-19.

Here's an inside look with doctors and nurses on the frontlines of the COVID-19 battle.

Wear a mask when inside an essential business, or when riding a bus or train. The cities of Long Beach, Pasadena and L.A. have issued similar orders.

A study of COVID-19 patients and the people they likely infected suggests the coronavirus can spread for more than two days before symptoms appear.

A two-decade-long dry spell that has parched much of the western United States is turning into one of the deepest 'megadroughts' of the past 1,200 years.

The tobacco industry sees the sales potential in the pandemic, offers up freebie protective gear, doorstep deliveries, festive discounts.

Nurses around the world are risking their lives tending to coronavirus patients.

A new study by Stanford University, using antibody blood tests, estimates that the number of cases in Santa Clara County may be 50 to 85 times greater than what was previously known.

There are two main types of coronavirus tests. One tells you if you have an active infection, and the other checks to see if you were infected before.

California is now giving coronavirus testing priority to asymptomatic people in high-risk settings such as nursing homes and prisons.

What do scientists wish they knew about the coronavirus? Which treatments actually work, what antibodies are good for, and which public health measures help.

As people across the globe stay home to stop the spread of the new coronavirus, Earth is becoming cleaner and more wild.

You've heard the term "herd immunity." Here's what it means and why it's important as we think about returning to something like a normal life.

Is a second wave of the coronavirus outbreak inevitable? Scientists say that depends on the nature of the virus itself as well as our own behavior.

Studies are finding that cigarette smokers are more likely to have severe cases of COVID-19, the disease caused by coronavirus. Many lung doctors say that doesn't surprise them much.

A government scientist felt pressure to approve a research contract for a lab investigating hydroxychloroquine, a drug Trump has touted as a coronavirus cure.

Video and photos show an algae bloom in the South Bay producing a neon-blue light along the shoreline at night in Hermosa Beach.

Testing sewage for the coronavirus may tell scientists how much disease is in a community — and when the virus has finally gone away.

The news that estrogen may boost resistance to COVID-19 offered a silver lining to my husband's prostate cancer and a cure for my isolation envy.