DWQA Questions › Tag: Johnson & Johnson COVID vaccineFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesA viewer asks: “Can creator comment on the new Johnson & Johnson COVID vaccine? This one does not use mRNA tech.” How safe and effective is this vaccine? Is it better to use this approach for reasons of better safety in not using the mRNA technology of other vaccines?ClosedNicola asked 4 years ago • Coronavirus COVID-19559 views0 answers0 votes