Gay men are being disproportionately affected by the virus. While we don’t have all the answers on transmission, we should be asking why the U.S. government is failing to tackle yet another public health crisis.

As the World Health Organization declares an international emergency, it’s clear America has dropped the ball.

Monkeypox and Covid aren’t a zero-sum game. They’re more connected than they first appear. Acknowledging that can help us fight both.

Climate change is driving animals into new habitats, increasing the encounters that give rise to viruses like Covid-19.

Thousands of people have been suffering a slew of crazy postinfection syndromes for months—and there’s no end in sight.

By “herd immunity,” the Trump administration means people should be encouraged to catch the coronavirus.

The first vaccine may not even be 50 percent effective. But that will still help to bring the coronavirus pandemic under control.

And there was no excuse for that infomercial in front of the White House.

In a recent study, two-thirds of kids with Covid-19 didn’t have recognizable symptoms. That’s bad news for pandemic containment.

A deep dive into what the research says about the question on every parent’s mind

New research is upending early public health advice. That’s going to continue as researchers understand the virus better.

Naming the first people to fall sick often leads to abuse.

After bungling containment, the Trump administration hopes for a fast-tracked fix. But compressing trials comes with its own hazards.