Jane Roche lost her father and sister within days of one another during the first Covid lockdown.

The Centers for Disease Control and Prevention last month raised its benchmark for levels of the Covid virus in wastewater, adjusting a key metric for assessing the disease’s transmission. As a result ...

An inquiry found that Government failings in care settings allowed the spread of Covid.

Leading U.S. medical groups are urging people to get updated flu and COVID-19 vaccinations this fall, banding together Wednesday to issue shot guidelines — and highlight the science behind them — ...