Vaccine Makers Keep Safety Details Quiet Alarming Scientists The New York Times

The morning after the world learned that a closely watched clinical trial of a coronavirus vaccine had been halted last week over safety concerns, the company’s chief executive disclosed that a person given the vaccine had experienced serious neurological symptoms.

Image: Pascal Soriot, chief executive of the drug company AstraZeneca, in Washington in February.Credit...Erin Schaff/The New York Times