Anemia And Covid Vaccine Side Effects. Centers for disease control and prevention (cdc) shows. Experts studying 306 booster recipients found that 44 of them developed an unexpected side effect, with the most unexpected side effects presenting as swelling of lymph nodes, which appeared in 16 of the 306 participants.
The suspected side effect of the mrna. The event was reported as a possible vaccine‐related side effect through the fda's. But following phase 3 clinical trials, most vaccine manufacturers reported minor side effects like pain at injection site, fatigue, or fever.