Surgeons could dramatically reduce the risk of infection after an operation by simply changing the antiseptic they use.
Drugs used to treat initial signs of rheumatoid arthritis also improve the early stages of heart disease, according to new research.
Healthcare systems around the world need to develop ways of supporting people in the community who are recovering from COVID-19, say researchers.
The death rate for patients who experienced what is normally a lower-risk heart attack rose sharply during the peak of the COVID-19 pandemic, according to an analysis of NHS data.
Researchers have identified a pattern of longer-term symptoms likely to be experienced by people who were hospitalised with COVID-19.