There are no simple rules for timing on a third jab—but maybe don’t rush it.
Anyone who’d rather have COVID-19 than get vaccinated is taking two gambles: that immunity will stick around, and that symptoms won’t.
A new study suggests that almost half of those hospitalized with COVID-19 have mild or asymptomatic cases.
The benefits of ventilation reach far beyond the coronavirus. What if we stop taking colds and flus for granted, too?
Reports of vaccines’ decline have been greatly overstated.
Many people with long COVID feel that science is failing them. Neglecting them could make the pandemic even worse.
Rapid tests can help you stay safe in the Delta outbreak. But you have to use them correctly.
Delta is far from the last variant. But what shape the virus takes next depends on us.
If vaccine approval feels maddeningly scrupulous, that’s because the alternative is worse.
We have the tools to keep Delta in check, but schools have to actually use them.
If you’re confused about what you can do right now, you should be.
You could probably sneak in a COVID-19 booster shot right now. But there are a few good reasons to hold off.
We can’t avoid the virus for the rest of our lives, but we can minimize its impact.
Everyone is bad at describing the vaccines, including me.
Robert Malone claims to have invented mRNA technology. Why is he trying so hard to undermine its use?
Cases of COVID-19 are rising fast. Vaccine uptake has plateaued. The pandemic will be over one day—but the way there is different now.
A few things still need to happen before the shots can be authorized for Americans younger than 12.
Some people can’t help but feel that masking while vaccinated is a regression—especially because this time, there’s no obvious off-ramp.
The country lifted all its COVID-19 restrictions just as Delta peaked. What happens next will tell us how well vaccines are working.
An infectious-disease doctor on what we know about the Delta variant and the risks that lie ahead.