Are all adverse events reported to VAERS caused by vaccines? (FAQより)

No. Some adverse events might be caused by vaccination and others might be coincidental and not related to vaccination. Just because an adverse event happened after a person received a vaccine does not mean the vaccine caused the adverse event.


VAERS accepts reports of adverse events following vaccination without judging the cause or seriousness of the event. VAERS is not designed to determine if a vaccine caused an adverse event, but it is good at detecting unusual or unexpected patterns of reporting that might indicate possible safety problems that need a closer look.

【愛知県医療関係者向け】新型コロナウイルス ワクチン研修会

筋肉注射の仕方 日本プライマリケア連合会


CDC ワクチン注射の仕方

筋注の仕方 奈良県立医科大学 臨床研修センター


新型コロナウイルス感染症に係る予防接種の実施に関する医療機関向け手引き(2.0 版) 令和3年2月24日改訂