It took months for the first reports to come out about myocarditis from the J&J shot and several more for the mRNA variants. It'll take time to determine if it's safe or has other issues. Also there's fewer people taking it so that increases the time for side effects to show up.
It took months for the first reports to come out about myocarditis from the J&J shot and several more for the mRNA variants. It'll take time to determine if it's safe or has other issues. Also there's fewer people taking it so that increases the time for side effects to show up.