Tweet from rvmilani at October 01, 2021 at 12:48PM
Evidence of breakthrough COVID infections in highly vaccinated healthcare workers from UCSD at 6 months demonstrating waning immunity and confirming the need for #Booster administration
@calonghurst
https://t.co/0fD02j52jA— Richard Milani (@rvmilani)
Oct 1, 2021
from http://twitter.com/rvmilani