I have signed dozens of death certificates after patients died of Covid-19, and I have also signed death certificates of patients who did not have Covid. Never — not even once — did I think about putting down Covid-19 as a cause of death

Today we explore the remarkable drug Paxlovid before turning to a new report suggesting we were wrong. The drug now appears not associated with a higher probability of COVID-19 re-infection.

Covid-19 vaccines arrive in American cities, we are moving into a new phase of the pandemic. The vaccination rollout continues to improve, with the...

Pregnant women worldwide continue to worry about catching Covid-19 and passing the virus to their unborn baby. Each day we learn more, but much remains unknown about the coronavirus’s effects on pregnant women and babies.