December 9, 2021
Pfizer says the third dose of its vaccine increases protection against Omicron 25 times
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SHOTLIST
1. Production of Pfizer covid vaccines
3. Various vaccination in Argentina
STORYLINE
Pfizer said Wednesday that a booster dose of its COVID-19 vaccine can protect against the new varian
Covid-19 vaccine , coronavirus , COVID-19 , pandemic , , WHO , South Africa