How Good Are Boosters? Delta-plus in Norway
The Good News (updated) I got my Moderna booster jab Nov 9th. Now I feel less "old fart vulnerability," but how much less? I had not seen stats on how the “boosted” crowd is doing. Are we now bullet proof? Slightly, somewhat, very? Googling the question, I found this New England Journal of Medicine (NEJM) piece which is a thorough analysis of Israeli data on their experience with the Delta variant in their highly, and early, vaccinated population. Delta knocked the straw out of Israel. August 2021 So they went full barrel with Pfizer booster shots, with their over-65s first. Then they did an excellent job of tracking booster effectiveness. The study has this exciting headline: Protection of BNT162b2 (Pfizer) Vaccine Booster against Covid-19 in Israel (Link to the study) Bottom line of the research? Boosters do super. Twelve days after your jab, you are eleven times less likely to get infected compared to a fully vaccinated peer, and 19.5 times less likely to get a ser