Elena Renken

CDC director Dr. Robert Redfield says the agency will double the current number of positions to aid local health departments in quashing new outbreaks. They will focus on testing and contact tracing.

Some animals live longer than they should for their size. Some have shorter lives. And others don't appear to age at all.

Some 7,000 volunteers were evacuated in an unprecedented callback. Back home and jobless, they're in limbo — but there's a proposal to enlist them in the fight against COVID-19.

A key adviser to the president, Dr. Anthony Fauci doesn't think every state needs to be on lockdown just yet. But some places should be preparing for surges like New York's.

Years before he got diagnosed with Parkinson's, Joy Milne noticed her husband's characteristic scent had changed. The discovery that she could smell his illness has opened up a new field of research.

It sounds so easy: Wash your hands and you can get rid of pathogens. But it does require a bit of forethought.

The traditional propaganda tool is now addressing the outbreak. Like public health messages in many parts of the world, the banners can be straightforward, scary ... and quite creative.

In her new book, Lydia Denworth makes the case for the vital necessity of friendship, tracing its effects on your genes, on your brain and even on animals like sheep and fish.

Carl Goldman tested positive for the new coronavirus after leaving the ship and arriving in the U.S. He is recovering in an isolation unit of the University of Nebraska Medical Center.

A photojournalist in Wuhan, China, portrays a city under quarantine in the midst of COVID-19.