Heart inflammation cases higher than expected after mRNA COVID-19 shots
Preliminary findings from two vaccine safety monitoring systems suggest a higher-than-expected number of cases of heart inflammation after the second dose of mRNA COVID-19 vaccines in young men.
A medical worker holds a syringe with Sputnik V (Gam-COVID-Vac) vaccine against the coronavirus disease (COVID-19) before administering an injection at a vaccination centre in a shopping mall in Saint Petersburg, Russia February 24, 2021.(photo credit: REUTERS)ByREUTERS, ROSSELLA TERCATIN
