FDA likely to make decision on boosters this week
The Food and Drug Administration is likely to authorize Pfizer-BioNTech booster shots this week for many Americans at high risk of falling seriously ill from...
FDA says vaccines adapted for new variants won’t need lengthy clinical trials
The recommendations call for small trials. That should reatly accelerate the review process at a time when scientists are increasingly anxious about how the variants...
Pfizer’s vaccine works well after one dose, doesn’t always need ultracold storage
Two positive developments for the Pfizer-BioNTech COVID-19 vaccine: A study in Israel showed that it is robustly effective after the first shot, and it was...
As Virus Grows Stealthier, Vaccine Makers Reconsider Battle Plans
Scientific experts are realizing the virus is changing more quickly than once thought, and may well continue to develop in ways that help it elude...
Alaska health worker had a serious allergic reaction after Pfizer’s vaccine
A health worker in Alaska had a serious allergic reaction minutes after getting Pfizer’s coronavirus vaccine Tuesday and was hospitalized overnight. The worker had no...