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.
Covid’s summer surge, explained
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.
The latest in Covid-19
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.
A meta-analysis seeks to be the last word on the effectiveness of masks, but finding answers in science isn’t that easy.
The pandemic took young people’s present. What will it do to their future?
Short-term lockdowns could be key to ending pandemics early.
The biggest questions about the newest Covid-19 vaccines are still unanswered.
A determination to remain slow on Covid and future pandemics.
Drug companies around the world are working to develop a vaccine for Covid-19.
XBB.1.5, a subvariant of omicron, is gaining ground in the US, but deaths can still be avoided.
China is opening up rapidly after three years of lockdown. The rest of the world is scrambling to respond.
Plus a couple that are halfway in between.
US life expectancy got worse during Covid-19, and then kept getting worse.
There aren’t any monoclonal antibody drugs that can treat the latest Covid-19 variants.
Ron DeSantis’s increasingly aggressive anti-Covid vaccine crusade, explained.
Millions of lives are at stake as the country prepares to relax its Covid strategy.