If it’s true that necessity is the mother of invention, then Dr. Bruce Spiess must be its father. Spiess is a professor of anesthesiology at the University of Florida College of Medicine. He’s not an ...

For months, scientists have been saying masks reduce transmission of COVID-19. They now think masks can also make the illness less severe. The reason is the barrier created by a mask likely limits the ...

We're answering your questions about the pandemic. Send yours to [email protected], and we'll answer as many as we can. We publish a selection of answers online and also put some questions to the experts ...

While there is scientific consensus that wearing masks helps limit the spread of COVID-19, there are unanswered questions about which masks are most effective. Now, a group of scientists released a ...