Israel begins fourth Covid-19 dose vaccine rollout for people 60 and over as Omicron cases surge

[BumRushDaShow]

6. "we've limited boosters to a 6 month window"

This past late summer, one of the points of discussion regarding Pfizer's vaccine was whether spreading out the interval of dosing - whether between the first and second shots or the second and third, would provide a better and more robust response.

Some specific discussions regarding a boost (in Pfizer's case, a "3rd dose in a series&quot , included this from a couple slide decks -

Workgroup's summary of considerations -



Data from Pfizer -



So I think the sensible issue here is rather than keep boosting and boosting within short time frames because you demand "90%+ efficacy" at all times (meaning more needles and more time to take out of your day to do it, which might also result in more possible side-effects) is to come up with a reasonable level for an efficacy drop before boosting again.