> 1B is very impressive
Those are Sino* vaccines, which are only about 51% effective. (WHO considers 50% to be ineffective.)
Those are Sino* vaccines, which are only about 51% effective. (WHO considers 50% to be ineffective.)
"A large multi-country Phase 3 trial has shown that 2 doses, administered at an interval of 21 days, have an efficacy of 79% against symptomatic SARS-CoV-2 infection 14 or more days after the second dose. Vaccine efficacy against hospitalization was 79%."
https://www.who.int/news-room/feature-stories/detail/the-sin...