A new COVID vaccine is due out next month, but health experts and analysts say it is likely to be coolly received even as hospitalizations from "Eris", a variant of the Omicron form of the coronavirus, rise around the country.
Retrospective cohort study of 196,992 adults after COVID-19 infection in Clalit Health Services members in Israel between March 2020 and January 2021.
Our data suggest that there is no increase in the incidence of myocarditis and pericarditis in COVID-19 recovered patients compared to uninfected matched controls. Further longer-term studies will be needed to estimate the incidence of pericarditis and myocarditis in patients diagnosed with COVID-19.
This seems to be mostly debunked, at least regarding to heart conditions:
https://www.mdpi.com/2077-0383/11/8/2219