

Apoorva Mandavilli
Posts

Scientists Question Data Behind an Experimental Alzheimer’s Drug
Studies linked to Cassava Sciences, once a stock market favorite, have been retracted or challenged by medical journals.

C.D.C. Internal Report Calls Delta Variant as Contagious as Chickenpox
Infections in vaccinated Americans also may be as transmissible as those in unvaccinated people, the document said, and lead more often to severe illness.

Behind the Masks, a Mystery: How Often Do the Vaccinated Spread the Virus?
The C.D.C.’s new masking advice was based in part on data showing that the virus can thrive in the airways of vaccinated people. The findings...

C.D.C. Says Some Vaccinated Americans Should Wear Masks Again
In communities with growing caseloads, vaccinated and unvaccinated people should return to masking in indoor public areas, health officials said.

The Delta Variant Is the Symptom of a Bigger Threat: Vaccine Refusal
There are almost as many reasons for vaccine hesitancy and refusal as there are unvaccinated Americans. But this problem, not the variant, lies at the...

J.&J. Vaccine May Be Less Effective Against Delta, Study Suggests
Many who received the shot may need to consider boosters, the authors said. But federal health officials do not recommend second doses.