3 ms·
Vaccine efficacy is measured against symptomatic COVID‑19. It's quite possible that asymptomatic carriers transmit more (e.g., because they do not self isolate,
by sobriquet9 4y ago
Vaccine efficacy is measured against symptomatic COVID‑19. It's quite possible that asymptomatic carriers transmit more (e.g., because they do not self isolate, or because they shed the virus for a longer period of time).
You may be right, I'm just saying that it does not follow from the results of vaccine clinical trials.