At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

This holiday season, we are all itching for a little bit of normalcy. For many, this means spending time with family and friends, and dropping the masks to drink eggnog. But even if you are fully ...

Dr. Mina is a professor of epidemiology and immunology & infectious diseases at the Harvard T.H. Chan School of Public Health. Dr. Phillips is vice president of science and strategy at the Covid ...

Two international studies, a clinical trial led by the University of Oxford and University of Utrecht, and a qualitative study led by the University of Oxford and University of Antwerp, report that ...

Rapid at-home Covid-19 tests are flying off store shelves across the country and are largely sold out online as the delta variant of the coronavirus complicates a return to school, work and travel ...