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Pfizer to ask US to authorize third Covid vaccine shot as booster

All news يوليو 09, 2021
Shakia Jones gets a dose of the Pfizer Covid-19 vaccine from health provider Alexandra Moran in Maryland.
Shakia Jones gets a dose of the Pfizer Covid-19 vaccine from health provider Alexandra Moran in Maryland. Photograph: Michael Reynolds/EPA
Shakia Jones gets a dose of the Pfizer Covid-19 vaccine from health provider Alexandra Moran in Maryland. Photograph: Michael Reynolds/EPA


source https://www.theguardian.com/world/2021/jul/08/pfizer-covid-19-vaccine-booster-us

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