Some Sudden Deaths Caused by COVID-19 Vaccines, Autopsies Confirm

People receive Pfizer's COVID-19 vaccine in Seoul, South Korea, on April 1, 2021. Chung Sung-Jun/Getty Images

Some sudden deaths were caused by COVID-19 vaccines, autopsies have confirmed.

Eight people who died suddenly after receiving a messenger RNA (mRNA) COVID-19 vaccine died due to a type of vaccine-induced heart inflammation called myocarditis, South Korean authorities said after reviewing the autopsies.