3 ms·
Neither mRNA nor viral vector vaccines were new. mRNA had a vastly better safety and efficacy profile. AstraZeneca had the clots, the Russians had the issue w
by inferiorhuman 3y ago
Neither mRNA nor viral vector vaccines were new. mRNA had a vastly better safety and efficacy profile. AstraZeneca had the clots, the Russians had the issue with replication (and use Ad5), and the Chinese exclusively used a virus that nearly half of all Americans are immune to. And IIRC the mRNA vaccines were still more effective against the variants.