Risk of myocarditis and pericarditis after the COVID-19 mRNA vaccination in the USA: a cohort study in claims databases

Hui‐Lee Wong, Mao Hu, Cindy Ke Zhou, Patricia C. Lloyd, Kandace L. Amend, Daniel C. Beachler, Alex Secora, Cheryl N. McMahill‐Walraven, Yun Lu, Yue Wu, Rachel P. Ogilvie, Christian Reich, Djeneba Audrey Djibo, Zhiruo Wan, John D. Seeger, Sandia Akhtar, Yixin Jiao, Yoganand Chillarige, Rose Do, John Hornberger, Joyce Obidi, Richard A. Forshee, Azadeh Shoaibi, Steven A. Anderson