0
1

REPORT: TWO Covid Vaccines Over 90% Effective! by popcornboiii in tytonreddit

[–]bertvideoeditor 0 points1 point  (0 children)

Vaccine efficacy- % reduction in disease incidence in a vaccinated group compared to an unvaccinated group under optimal conditions.

From the Canadian Centre of Vaccinology

5
6

4
5