Pfizer Vaccine Trial Side Effects
Fever fatigue chills redness and swelling last wednesday pfizer said in a report that some participants in the company s late stage trials had experienced mild side effects after.
Pfizer vaccine trial side effects. About 80 of adults aged 65 to 85 reported mild to moderate reactions after receiving pfizer s first vaccine compared to 55 give the second jab which caused no redness or swelling after either. Moderna and pfizer vaccine trial participants report serious side effects five patients across the two studies apparently experienced chills fever and intense headaches.
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