The new Covid-19 vaccines from Pfizer and Moderna seem to be remarkably good at preventing serious illness. But it’s unclear how well they will curb the spread of the coronavirus, reports NY Times.
Silent spreaders still on the looseThat’s because the Pfizer and Moderna trials tracked only how many vaccinated people became sick with Covid-19. That leaves open the possibility that some vaccinated people get infected without developing symptoms, and could then silently transmit the virus —...
https://mfame.guru/vaccinated-people-still-at-risk-of-spreading-covid-says-study/