Tweet from EricTopol at March 16, 2022 at 02:18PM
Similar neutralizing antibody titers to Omicron BA.1 and BA.2 (<-lower by a factor of ~1.4)
People who were vaccinated and had BA.1 infections had robust BA.2 nAb titers, suggesting substantial cross-reactive natural immunity
https://t.co/WarvEU9fVp @NEJM https://t.co/EijCXlIPCo— Eric Topol (@EricTopol)
Mar 16, 2022
from http://twitter.com/EricTopol