Key facts, figures and dates

NHS workers are donating blood samples to find out why some of them contract Covid-19 when others don't.

BBC Reality Check breaks down what coronavirus testing is and why it matters.

The BBC Health team talks through the NHS advice about protecting yourself from COVID-19.

The current best guess of a 1% death rate does not apply to everyone.

South Korea is testing more people per capita than anywhere else - and could be a role model for others.

Boris Johnson's chief scientific adviser says the UK is four weeks behind Italy, What does that mean?

The World Health Organisation's advice is difficult to follow in some developing countries.

How do we keep fit while heeding the government's new advice on avoiding unnecessary social contact?

Funerals have been banned in Italy - robbing many families of the chance to say a final goodbye.

Millions of Indians who rely on daily wages from jobs like cleaning risk running out of money.

Europeans face a blizzard of restrictions on their freedoms as authorities try to stop the spread.

War veterans can experience trauma known as moral injury - now health workers are at risk too.

Hospitals need to supply oxygen to more beds than is currently possible, so doctors are searching for hacks.

The UK's chief medical adviser says there's "a lot to learn" from Germany, so what has it been doing?

Chicagoans are racing to make personal protective equipment for frontline workers.

Prime Minister Boris Johnson is among those to be treated in hospital for the symptoms of Covid-19.

Danish schools will reopen soon, but curbs will only be lifted gradually.

President Trump has been critical - but what do others think of the "global guardian of public health"?

Why do fewer people seem to be having heart attacks and strokes? One theory is that the lockdown lifestyle is healthy.

If the Isle of Wight trial is successful, the app could be ready nationwide within weeks, ministers say.

State media says US claims that the coronavirus originated in a research laboratory are "absurd".

Strengthen protection for high-risk people while easing restrictions for others, scientists say.

BBC News examines allegations that the coronavirus was accidentally released from a lab.

Last year's failed attempt to locate one of the world's great wrecks has lessons for future efforts.

Immunity is the crucial question and understanding it will tell us how the pandemic will end.

Birds, elephants and primates are among those missing guests, zoos around the world say.

The identity of the "intermediate host" animal that first passed the coronavirus to a human may never be found, say scientists.

New scientific research, from Germany of all places, suggests English footballers are actually good at spot-kicks.

We look at how hot the world has got and what can we can all do to tackle global warming.

Areas such as India, Australia and Africa are predicted to be among the worst affected.

BBC News looks at what we know and don't know about the Earth's changing climate.

Scientists say the microbe - found in the wild near Lake Victoria - has enormous potential.

Mink have caught Covid-19, adding to the list of infected animals, and prompting calls for trade bans.

One of the hardest tasks in Earth observation is tracking tiny changes in the shape of the ground.

Bicycle shops across the UK say demand for new bikes, and repairs for old ones, has risen sharply.

The former Bank of England governor says countries should invest in a cleaner economic recovery.

The Hawaii-based Gemini telescope produces a super-sharp picture of the gas giant in the infrared.

Funding for English local authorities is likely to be unveiled to encourage people to be more active.

A chronology of key events

A chronology of key events

A chronology of key events

Key facts, figures and dates

Key facts, figures and dates

Key facts, figures and dates

Key facts, figures and dates

Key facts, figures and dates

Key facts, figures and dates

Key facts, figures and dates

Key facts, figures and dates