Two government agencies have now concluded that the Covid-19 pandemic originated in an accidental leak from a lab. But paradoxically, they also point to a natural origin.

Now that minks are getting sick, experts are watching for two signals to indicate whether avian influenza could jump into the human population. But underfunding makes their job harder.

Why paying more for eggs could save us from another pandemic

Covid-19 accelerated the trend of pediatric unit closures. Now many children and their families are struggling to find care.

The president’s remarks undermined the campaign for the new booster shots. Nearly 4,000 people have since died of Covid-19 in the United States.

The United States has a brief window in which it can decide how monkeypox plays out from here.

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

As the BA.5 variant takes over, Covid death numbers have become an object lesson in why raw data is often misleading.

A quick, targeted vaccination campaign could stop this disease in its tracks.

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

Disaster preparedness doesn’t need to be right-wing and individualistic. It does, however, need to be paired with policy.

New variants can infect people who had Covid-19 as recently as a few months ago.

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

As the BA.2 variant moves through the U.S., our data on Covid-19 and its variants is getting worse, not better.

Two years into the Covid pandemic, the agency is still confusing the public with contradictory, erratic messaging.

Our failures of pandemic solidarity cost lives. Ukraine is testing our solidarity in another way.

This isn’t the first time society has struggled to make sense of the long tail of a pandemic.

The lab leak theory is dead. Covid-19’s true origins show why we need better disease surveillance of wild and domesticated animals alike.

The massive government interventions that buffered Covid-19’s ravages are fading away, returning us to an unacceptable status quo.