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Vaccine is 0% effective after 221 days of injection. 'Finding | The Catloaf Channel

Vaccine is 0% effective after 221 days of injection.

"Findings: Vaccine effectiveness of BNT162b2 against infection waned progressively from 92% (95% CI, 92-93, P<0·001) at day 15-30 to 47% (95% CI, 39-55, P<0·001) at day 121-180, and from day 211 and onwards no effectiveness could be detected (23%; 95% CI, -2-41, P=0·07)."

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3949410