Pfizer has said that in this campaign to provide vaccines for young children, 4500 children will be tested at more than 90 clinical sites in America (US), Finland, Poland and Spain.
American pharma company Pfizer is now going to conduct a large-scale trial of its vaccine in children below the age of 12 years. Pfizer said on Tuesday that in this study, 4,500 children will be tested at more than 90 clinical sites in the US, Finland, Poland and Spain. According to the news published in the news agency Reuters, preparations for the trial in young children have been completed.
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