Pfizer is about to seek U.S. authorization for a third dose of its COVID-19 vaccine, saying Thursday that another shot within 12 months could dramatically boost immunity and maybe help ward off the latest worrisome coronavirus mutant.
from https://www.reviewjournal.com/news/nation-and-world/pfizer-will-seek-government-ok-for-3rd-vaccine-dose-2395798/
from
https://calliduselctric.tumblr.com/post/656183550863933440
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