Covid-19
Evidence-based explanations of the Covid-19 pandemic, including how it started, how it might end, and how to protect yourself and others.
Vaccine guidance has never been more confusing. Here’s how to navigate it.
Vaccine guidance has never been more confusing. Here’s how to navigate it.
AI could make bioweapons more dangerous. It could also be the key to stopping them.
How to navigate a world where MAHA is setting vaccine policy.
The HHS secretary is tampering with vaccine recommendations.
The latest in Covid-19
Americans remained scared of violent crime. The numbers tell a different story.
More contagious than Covid-19 and with a 30 percent mortality rate, smallpox was one of history’s biggest killers. Now, it’s gone.
Our Covid mistakes did lasting damage. No one wants to talk about it.
From mRNA vaccines to remote work, the technologies that blunted the worst of the pandemic.
Nasal vaccines are more effective and easier to get to the people who need it most.
Novavax is just as effective, but far less likely to cause fevers and fatigue.
Here’s what might help your cold — and what probably won’t.
Donald Trump undermined public health measures during the Covid-19 pandemic. What would he do in a future health emergency?
How to survive the coming onslaught of viral illnesses.
Who should actually get the jab, and when?
Covid’s summer surge, explained
New regulations are a win for safe synthetic DNA.
A pandemic response that amounts to hoping and praying isn’t nearly enough.
Isolation policies haven’t stopped Covid’s worst outcomes. Other, better policies might.
Can special lightbulbs end the next pandemic before it starts?
What good is a miraculous vaccine if nobody wants to take it?
Katalin Karikó co-won a Nobel Prize this week for her groundbreaking work on mRNA vaccines — but she had to fight against professional science to do it.
US providers are underusing the drug — and not just in high-risk people.
Free Covid tests are back — and new vaccines are at your local pharmacy too.
A new study shows how anti-vaxxers quickly regroup when Facebook removes vaccine misinformation.
DEEP VZN aimed to discover viruses in wildlife that could threaten humans, but the risks weren’t worth the rewards.
Everyone over 6 months should get a new shot, according to the CDC. Should we expect this every year?
Covid transmission continues to ebb and flow — but at least the latest Pirola variant isn’t too menacing.
What “Eris” and “Fornax” tell us about the future of the pandemic.
The virus is surging again. Here’s how to be your own contact tracer if you get sick.
Congress is grappling with the security concerns of the DNA synthesis revolution.
Kennedy, an anti-vaxxer of storied Democratic pedigree, isn’t a serious challenger to Biden — but he’s getting some traction.
New research highlights how language-generating AI models could make it easier to create dangerous germs.
3 takeaways about the current state of the pandemic.
Forty-three years ago this week, the world was officially declared free of smallpox — but that should only be the beginning.
How geopolitics and technological advances are making this a riskier world for bioweapons.
DeSantis’s surgeon general is accused of manipulating data to justify an anti-vaccine agenda. How did we get here?
Robert F. Kennedy Jr., a prominent anti-vaxxer and environmentalist, announced he’s challenging Joe Biden.
What we choose to panic about has less to do with the facts and more to do with chance.
A new analysis on Covid-19 origins has promise, but only the Chinese government can end the debate.
Long Covid isn’t as much of a mystery as it used to be.
The fallout from a misinterpreted review on mask science only underscores the need for better protections.
Supplements to the program ended on March 1. Without an off-ramp, people are scrambling to fill the gap.
Even the best-designed studies yield some head-scratching results.
We don’t need to know how this pandemic started to begin to prevent the next one.