Putting a Rare Vaccine-Related Adverse Event into Context—Shouldering a Small Risk
Shoulder injury that is related to vaccine administration (SIRVA) encompasses various shoulder conditions that follow injection of vaccines into the deltoid. Past work has shown that this outcome is rare, with an estimated incidence of 9.9 per 100 000 vaccinations. However, it was unknown whether SIRVA risk is higher after COVID-19 vaccination compared with influenza vaccination. from JAMA Internal Medicine Online First https://ift.tt/iw0ZS1v