People across the UK are facing new coronavirus restrictions amid a sharp rise in confirmed cases.
Chris Whitty and Sir Patrick Vallance were alarmed by questions over the controversial concept, emails show.
Nicola Sturgeon says visiting other people's homes will no longer be allowed as part of efforts to slow the virus.
A health charity wants to know how well England and Wales' contact-tracing app fared in tests.
Deaths remain low - but government advisers warn they are set to rise again.
One in five people in the UK is currently subject to local interventions to prevent the spread of Covid, some more stringent than others. Do these local lockdowns work?
People can catch flu and coronavirus at the same time with serious or deadly consequences, experts warn.
The move, ahead of a statement from the PM, reflects that transmission is "high or rising exponentially".
In the last seven days, 1,014 people have tested positive for coronavirus in Northern Ireland.
Drivers and unions raise concerns about a lack of social distancing on school services.
Alec Carpenter's parents say they are "so proud" of his achievements.
Newport, Bridgend, Merthyr Tydfil and Blaenau Gwent face new restrictions from 18:00 BST on Tuesday.
With similar symptoms, deciding whether or not you need to get tested for coronavirus can be tricky.
We examine government claims on testing capacity, international comparisons and the average distance travelled to a test centre.
A Kenyan doctor is calling for change in NHS policies to help more black people give blood.
If scientists succeed in making a coronavirus vaccine, when will we get it, how much will it cost and who will get it first?
Parents are missing work and children kept home from school as they wrestle with the testing system
Changes in all our lives have increased anxiety levels but there is support and advice available.
Corby has the fifth highest rate of new cases per 100,000 people in English towns and cities.
Some people might want to consider it during the pandemic. Here's why.
For some people Covid just will not go away. One woman who thinks she had it has made an Instagram diary.
A phenomenon called parosmia has left coronavirus survivors trapped in a world of distorted scents.
Drive-through clinics and extra staff could boost England's biggest flu vaccination programme.
Charities say thousands who have been shielding may have to choose between a job and their health.
New parents call on the government for extra support and extended leave due to the pandemic.
Why fridges, vials and polling stations could be key in the distribution of a coronavirus vaccine.
Explore the data on coronavirus in the UK and find out how many cases there are in your area.
Covid-19 has changed the world - are we winning or is the virus still taking hold, and when will it end?
As shielding ends for the 'elderly and vulnerable' will the world they are about to be re-enter be less accessible than the one they left four months ago?
What lessons has coronavirus taught us - and will ministers and health leaders act upon them?
Teams around the world are looking into medicines for Covid-19 and scientists are starting to discover what works.
In Bradford, community schemes offer a novel approach to promoting healthy lifestyles.
Until recently, the city was seen as a poster child in its handling of the pandemic. What went wrong?
While there have been thousands of changes to the virus only one is seen as possibly altering its behaviour.
Research suggests most countries' populations will have shrunk by the end of the century.
Dr John Wright on two young patients seen at Bradford Royal Infirmary's Covid-19 "survivors' clinic".
About 200 groups of medical researchers around the world are working on a vaccine for Covid-19.
Immunity is the crucial question and understanding it will tell us how the pandemic will end.
Thousands of people with Covid-19 report recurring symptoms for far longer than 14 days.
Wheelchair-user Ginny Butcher says disabled people in the UK have been abandoned during the pandemic.
At one stage the oxygen level in Davide Compagnone's blood was lower than on Everest's peak.
Young people's eating habits have meant more snacks but also more shared meals, say researchers.
The government has said it will be possible to relax the 2m social distancing from 4 July - but is it safe to do so?
Far more people have died during the coronavirus pandemic than official Covid-19 data can account for
Natasha Howard is campaigning for a set time in the day when only people who are shielding go outdoors.
When Mohammed Azeem arrived in hospital his blood oxygen levels were "not compatible with life" as one doctor put it.
A cheap steroid is hailed a big breakthrough in the treatment of seriously ill Covid-19 patients.
Professor Peter Piot, one of the world’s top infectious disease experts, was hit by Covid-19.
Pubs, bars and clubs are having to change because of Covid-19. But what will a night out feel like?
Some people in England, Northern Ireland and Scotland can form "support bubbles".
The devices allow a person's temperature to be checked from a distance, but are not always reliable.
How are hospital and hospice chaplains managing to provide comfort for dying patients?
When Shannon fell ill with coronavirus, her carer Caroline took matters into her own hands.
Identifying superspreading events could be crucial in the fight against the virus, scientists say.
One boss describes seeing staff fall ill and residents die as the virus swept through his care homes.
Scientists have discovered more evidence about a strange and worrying feature of the coronavirus.
As restrictions lift, you might feel anxious about how to stay safe. Here's what experts advise.
Positive stories from people considered at high risk who have made a full recovery from coronavirus.
Five doctors administering end-of-life care reflect on the current crisis.
"Passports" showing individuals' health status could become the next front for fighting the pandemic.
Meeting friends? Here's how to handle the awkward new rules - from sharing food to avoiding hugs.
Children are at low risk from the disease, but concerns have been raised for teachers.
A BBC team tracking coronavirus misinformation has found links to assaults, arson and deaths - and the potential for even greater indirect harm.
Why is lifting restrictions being described as a "dangerous moment"?
Different policies are down to a number of factors, including geography, science and politics, experts say.
People who have been in close contact with someone found to have Covid-19 are being traced.
Hannah spent 12 years recovering from mental ill health, then happened to return to nursing the day Covid-19 was declared a pandemic.
Swedish healthcare is under scrutiny over the high rate of Covid-19 deaths in care homes.
Larger trials now needed to see if the vaccine can protect against the coronavirus.
The pens carried by people with severe allergies should be exchanged for a different brand.
It comes as medics warn the coronavirus pandemic is likely to lead to long-term mental health conditions.
Boris Johnson says "too many care homes didn't really follow the procedures", so what was the coronavirus guidance given to them?
Why is England pressing ahead with plans to ease lockdown rules ahead of the rest of the UK?
The Prime Minister has announced new rules for England to help combat rising coronavirus rates.
What are the tests for coronavirus, who are they for and how do they work?
A new continuous cough and fever are also symptoms but how do you know what to look for?
What is it like to have the coronavirus, how will it affect you and how is it treated?
Use our tool to check the meaning of key words and phrases associated with the Covid-19 outbreak.
While most people will have mild symptoms and recover quickly, some are more prone to getting sick.
With face masks in high demand, we look at whether they really can protect people from the virus.
Pubs must close earlier, higher fines for not wearing masks, and weddings will again be restricted.
Xavier Hopkins, who only has 10% of his sight, turned his passion for mountain biking into a career.
Boris Johnson says new restrictions are needed now to avoid "more drastic action" in the future.
Chief Scientific Adviser Sir Patrick Vallance says measures must be taken to stop the spread of Covid-19.
The health secretary is asked to use second lockdown “time wisely” by his Labour shadow.