pathogens

The World Health Organization has issued a report updating terminology and explanations regarding the spread of the novel coronavirus. See if you're up on the latest vocab.

Infectious disease doctor Abraar Karan says it's the question he's asked most often about SARS-CoV-2. So how does that happen? Here's his answer.

The pandemic state of emergency was lifted but there are still plenty of viruses to worry about. Here are some highlights of our viral coverage this year, including NPR's "Hidden Viruses" series.

Monkeypox is the latest case of how global health inequities persist. Vaccines went to the rich world while Africa lacks access. African scientists call for a bold plan to protect against pathogens.

"Ventilation is the way forward," says infectious disease doctor Abraar Karan of Stanford. Here's how to get better air flow at home, in schools and offices — even in gyms — to stave off COVID.

Could smoke carry disease-causing microorganisms? "It's a very new idea to think of smoke as having a living component," says Leda Kobziar, co-author of an article that explores this theory.

Spoiler alert: It's still melting. A new study looks at the impact of rising rainfall. Meanwhile, scientists are more concerned about environmental threats than defrosting pathogens.

As places around the world begin reopening, people are thinking about flying again — and wondering if it's safe.