MSNBC Craig Melvin Reports August 18, 2021 15:25:00
That while protection against infection may decrease overtime, protection against hospitalization is currently holding up pretty well. as we make decisions about boosters we have to look at effectiveness in the specific context of the delta variant. preliminary data from august 6th from two of our cohort studies that include more than 4,000 health care personnel, first responders, and other front line workers show waning effectiveness in the context of the delta variant. from 92% prior to delta, to 64% with delta. noticeably it did not show effectiveness overtime. they suggest full vaccination...