Scoop: The Biden administration is buying hundreds of millions more doses of Pfizer’s coronavirus vaccine to donate to the world. Announcement slated for next week and comes after U.S. bought 500 million doses in June.

W/ @lauriemcginley2 + @ddiamond https://t.co/ajJhfnPy3t

— Tyler Pager (@tylerpager) September 17, 2021

One Covid vaccine held up best over time, a CDC study found. Beyond 120 days, Moderna’s shot maintained over 90% effectiveness against hospitalization https://t.co/d71RwIm0d0

— delthia ricks 🔬 (@DelthiaRicks) September 17, 2021

Alabama’s state health officer Dr. Scott Harris says hospitalizations are decreasing in part because people are dying. Alabama is seeing “double digit numbers of deaths, which accounts for some of the decline of hospital numbers,” he says. Alabama is among least vaccinated states

— Kaitlan Collins (@kaitlancollins) September 17, 2021

No vaccine offers complete personal protection. They all rely on a critical mass of people having the vaccine to suppress conveyance of the disease.

— Patrick Chovanec (@prchovanec) September 18, 2021