Tweet from calonghurst at August 25, 2021 at 02:06PM
Since the latest data suggests immunity begins to wane ≥4 months, it makes sense to plan boosters at 6 months. But why wait until September 20?? Most of our healthcare workers got their 2nd shot in January! 📅💉
https://t.co/DBYToeLVcQ— Christopher A. Longhurst (@calonghurst)
Aug 25, 2021
from http://twitter.com/calonghurst