Millions of people have been forced to work remotely — but experts say the practice won’t necessarily stick
Rapid sequencing of viral genomes can help public health officials figure out the origins, spread and nature of quickly moving epidemics
An immune reaction gone wild seems to be linked with the most severe cases of pandemic Covid-19. Here’s what happens.
The body’s defenses lose flexibility and diversity over time, and protective responses to vaccines weaken as well. Scientists are working on ways to boost seniors’ protections against influenza, the novel coronavirus and other pathogens.
Social media posts and online searches may offer vital clues about the spread of influenza — and now Covid-19. But they also risk errors and threaten privacy.
The eye-catching spikes sticking out from the surface of SARS-CoV-2 may inspire new ways to prevent or treat Covid-19 infections