Returning with precautions isn’t returning without risk. About 100 children under age 15 died in the US from Covid-19 in 2020. And there are still unknowns, such as the long-term effects of the disease on…
The key finding in the study, though, wasn’t that more people had allergies; that was an accepted observation already. It was who had them and who didn’t. The author, immunologist David Strachan, reported that people…
SARS-CoV-2 might cause its deadliest damage in the lungs, heart, and blood vessels. But its first stop in the human body is usually the nose, because that’s where inhaled viral particles first encounter cells they…
This fall, Schwartz and Paltiel, along with Rochelle Walensky, who's now the head of the Centers for Disease Control and Prevention, looked more closely at the question of which would save more lives: a highly…
On Monday morning, when representatives from the drug company Pfizer said that its Covid-19 vaccine appears to be more than 90 percent effective, stocks soared, White House officials rushed to (falsely) claim credit, and sighs…
So it was no surprise to epidemiologists like Smith that this strategy failed. “We can’t test our way out of this. We can’t rely only on diagnostics to keep things under control,” Smith says. Tests…
This story originally appeared on Grist and is part of the Climate Desk collaboration.It was just before dawn as seven bulky men in T-shirts and sweatpants gathered in front of a towering glass building on…
“Both policymakers and voters need to know that we still cannot answer most basic questions about this pandemic with the tools we have on hand,” says Douglass, who has been a vocal Twitter critic of…
Pies, however, sees it differently. He points out that even a contingent response to a specific situation can constitute a major health concern. “Consider this scenario,” he writes. “An elderly hiker with stable but underlying…
Over the course of the Covid-19 pandemic, the US’s testing strategy has failed over and over again to provide an accurate picture of how fast and how far the disease is spreading. State and city…