How Long Does COVID Immunity Last Anyway?

ADHD diagnoses are on the rise in the United States, but what if professionals are missing a key part of the disorder? In the 1970s, some clinicians recognized a lot of their ADHD patients had trouble with emotional regulation. But because it was easier to measure behavior rather ...  Show more

You might have seen the news that Christa Pike, a convicted murderer in Tennessee, did not die from the injections given to her as part of her death penalty sentence last week. After her failed execution, she was hospitalized, where she continues to receive critical medical care, ...  Show more

Does your immunity still last for months? We asked a researcher who has been studying omicron reinfections. This episode was produced by Jon Ehrens, edited by Matthew Collette, fact-checked by Laura Bullard, engineered by Paul Mounsey, and hosted by Sean Rameswaram. Transcript at ...  Show more

Immunity to Covid-19. We've all been hoping to develop it ever since the virus emerged two years ago. Since then, a race to vaccinate the world has begun in earnest, with many countries rolling out booster shots in response to the rise of the Omicron variant. Health officials and ...  Show more

The rise of the Delta variant has prompted a thorny question: Do we need a booster dose of the vaccine for Covid-19? Vaccine makers think so, but regulators are yet to be convinced.

Principles are also at stake: Should richer countries be talking about administering extr ...

Many Americans haven't gotten an initial COVID-19 booster. A second one is authorized for some. Others are waiting to see if they can get one soon. Will everyone need them eventually? An FDA advisory committee met Wednesday to discuss what's next in America's booster strategy. Dr ...  Show more