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