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Pfizer said the vaccine created strong immunity in children 5-11 years old

America produces Pfizer and Biontech for safe Covid-19 vaccines, creating a strong immune response in clinical trials in children 5-11 years old.

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Picky vaccine pushing brazil deep sinks

Deepika Gurung 21 Jun 2021

Although Brazil surpassed the 500,000 people died of Covid-19, people still refused to inject the vaccines they thought not to meet standards, to wait for the scarce pfizer.

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