The aim is to see whether mixing two vaccines could improve protection against Covid-19.
Dame Jenny Harries says people should lead "normal lives" but take precautions as infections go up.
The BBC spent time with staff before they had to stop work and turn patients away.
About 2.3 million people are thought to have the virus - up half a million from the week before.
Zika and dengue fever viruses alter the scent of humans and mice they infect, researchers say.
People should look out for unusual rashes, fevers and swollen glands, London's public-health director says.
Researchers say findings are sobering, with shortages in England predicted to top 10,000 by 2030-31.
It was Dame Deborah James' top advice - but what should you be looking for?
How Dame Deborah's fundraising will help scientists find new ways to outwit cancer.
Inflammatory bowel disease sufferers say the lack of toilets is the worst thing about living in London.
The event was organised in parliament by the Labour MP Carolyn Harris.
It comes days after bereaved families warned of legal action against the government over delays.
A whistleblower reveals nurses are quitting a hospital because they feel "helpless and unsupported".
A break in taking a common immune-suppressing drug could improve how well vaccines work, a trial suggests.
Medics say pay has fallen by up to 30% since 2008 once inflation is taken into account.
The ex-prime minister's description of the disaster drew gasps from families watching the public inquiry.
What do these cases really tell us about the virus, which hasn't spread in the UK for decades?
Millions of women lose the legal right to abortion after the Supreme Court overturns Roe v Wade.
Sir Jonathan Van-Tam is asked if he's changed his habits, as Covid-19 cases in the UK continue to rise.
The rise, with an estimated one in 35 people testing positive, is being driven by newer variants.
What is polio and how can you protect yourself from it?
The High Court has given its backing to Ted Jennings to try for a baby with a surrogate, using an embryo he created with his late wife.
Rachel O'Neill said parents needed "a great deal more support" after significant failures were identified.
Three hundred homes will be tested after a small study found some water samples exceeded the UK limit.
More than 1,300 claims have been made but only about 20 sent for medical assessment.
Moderna's research and manufacturing plant will produce vaccines to combat a range of viruses.
Health officials say parents should ensure their children have been vaccinated against the disease.
Some pharmacies run by the chain have stopped providing weekly pill organiser packs for patients.
UK health officials say the move could help control the recent and unusual outbreak of the disease.
Nigel Stonehouse, 58, said he was looking forward to seeing "legend" Diana Ross on stage on Sunday.
The scheme receives more than 2,000 applications, as charities warn of looming "loneliness legacy".
A culture of relying on continence pads means dementia patients are denied the basic dignity of care.
Archie's family lost a High Court battle last week when a judge ruled his life support should end.
The family has another court hearing after a judge ruled that Archie Battersbee, 12, was brain-dead.
The latest UK figures cover the long weekend of partying and suggest one in 45 has Covid.
The aim of the role for England is to help tackle decades of health inequalities.
Last winter's Omicron variant was less likely to cause lingering symptoms, researchers say.
One in 20 has been waiting - for routine care such as knee and hip surgery - for more than a year.
Do you know your UVA from your UVB?
Scottish Covid Inquiry researchers say lockdown restrictions may have contributed to some deaths.
One Milton Keynes Hospital ward was closed for much of 2021 "due to insufficient staffing".
As the health safety watchdog warns on ambulance delays, the BBC investigates the case of 94-year-old Ken Shadbolt.
The government's offer has been described as a real-terms pay cut for health service workers.
Rates of type-2 diabetes are rising and experts are concerned the situation may only deteriorate.
A midwives' report into language used during labour and childbirth finds it should be less judgemental.
Hundreds of pharmacists in England are being given powers to send patients for cancer scans and tests.
There is an urgent need for a non-discriminatory and non-stigmatising name, scientists agree.
People join the family of Archie Battersbee,12, after a judge rules life support can be withdrawn.
Ian Paterson was jailed in 2017 after carrying out needless operations on patients.
Colourful gadgets and fruity flavours are popular, but what is really known about their health effects?
BBC Panorama went undercover at a surgery run by the UK's biggest provider of GP services to the NHS.
Five-year-old Tilli, from Suffolk, is one of 400 children to have a stroke in the UK every year.
A PhD student has been creating audio memory boxes for hospice patients in Northern Ireland.
A Norfolk hospital is the first to be licensed to treat peanut allergy using a newly approved drug.
Official estimates suggest there has been a small increase in infections in England and Northern Ireland.
The kits, sold on the High Street, are not predictive enough to pinpoint the change of life, top UK doctors warn.
Patients in England, Wales and Scotland will no longer need to see their GP to receive a "fit note".
Patients are staying an average of seven days in hospital for treatment, a BBC investigation finds.
Experts warn health inequalities will be widened by the surge in the cost of living.
A review is expected to suggest a gradual increase as part of the drive to eradicate smoking by 2030.
Doctors say it may cause confusion but NHS Digital says the updated advice now has wider relevance.