JAMA: Myocarditis Cases Reported After mRNA-Based COVID-19 Vaccination in the US From December 2020 to August 2021

“COVID-19 case and hospitalization rates increased among people who got a COVID-19 vaccine following the emergence of the Omicron virus variant, according to newly published data from the Centers for Disease Control and Prevention (CDC).According to the data, which is submitted to the CDC by health departments across the country, the COVID-19 case rate in fully vaccinated people rose by more than 1,000 percent between Dec. 11, 2021, and Jan. 8, 2022.The case rate among those who also received a ...