Pfizer to Vaccinate Entire City of Toledo in Brazil As Part of Study - The New York Times - 0 views
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Pfizer announced that it would fully vaccinate everyone in the city over the age of 12 so it can carry out a study of the safety and effectiveness of the vaccine.
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Brazil has suffered one of the world’s highest death tolls from the pandemic.
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The study will follow participants for up to one year to investigate how long vaccine protection lasts against Covid-19 and new virus variants.
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