Obesity should be defined by a person's health - not just their weight, says a new Canadian clinical guideline.
The number of deaths from coronavirus in Iran is nearly triple what Iran's government claims, a BBC Persian service investigation has found.
New 90-minute tests that can detect coronavirus and flu will be rolled out in care homes and laboratories from next week.
Russian health authorities are preparing to start a mass vaccination campaign against coronavirus in October, the health minister has said.
A holiday in Spain now means two weeks of quarantine on return to the UK to help stop the spread of coronavirus across borders.
A pet cat has tested positive in the UK for the strain of coronavirus that is causing the current pandemic.
Being obese or overweight puts you at greater risk of serious illness or death from Covid-19, experts say after examining existing studies.
Women who have Covid-19 are unlikely to pass on the infection to their babies during childbirth if precautions are in place, a small study suggests.
Restricting television viewing to two hours a day could prevent or delay poor health, according to a new study.
The UK will be living with coronavirus for many years to come and even a vaccine is unlikely to eliminate it for good, experts are warning.
