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Vaccine efficacy

Vaccine efficacy | JUNE 28, 2021; JULY 23, 2021; ISRAEL SAYS PFIZER COVID VACCINE IS JUST 39% EFFECTIVE AS DELTA SPREADS. PFIZER AND MODERNA VACCINES LIKELY TO PRODUCE LASTING IMMUNITY, STUDY FINDS. | image tagged in back to the future | made w/ Imgflip meme maker
1,151 views • 1 upvote • Made by oneplusoneequalsduh 4 years ago in fun
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JUNE 28, 2021; JULY 23, 2021; ISRAEL SAYS PFIZER COVID VACCINE IS JUST 39% EFFECTIVE AS DELTA SPREADS. PFIZER AND MODERNA VACCINES LIKELY TO PRODUCE LASTING IMMUNITY, STUDY FINDS.