The Coronavirus Outbreak

With a vaccine in limited availability, many still need medicines to keep the virus at bay

Scientists are debating whether to delay, skip or halve doses. But untested tweaks could shake public confidence

This winter the novel coronavirus may kill more people than heart disease, cancer, stroke, Alzheimer’s or diabetes

Researchers race to determine why variants identified in Britain and South Africa spread so quickly and whether they’ll compromise vaccines

Social science offers valuable lessons about ways to convince those who are hesitant about the shots

Gonzalo Moratorio assists his country in steering a more adept response than that mounted in Argentina and Brazil

Companies are scrambling to obtain supplies for hundreds of millions of doses of a type of vaccine that has never been made at this scale before

The virus flourishes by undermining the body’s chemical defense system

More and more patients are dealing with major symptoms that linger for months

There is evidence the new variant could be more transmissible, yet vaccines work very well against it

A look at apps that predict the chance of infection and illness, depending on what you’re doing and where you are

The missed checkups could result in later, more severe diagnoses down the line