"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%."
Comments
Those are Sino* vaccines, which are only about 51% effective. (WHO considers 50% to be ineffective.)
Sinovac is said to be 51% effective at preventing symptoms, but 87%-100% effective at preventing hospitalization or death. https://www.bbc.com/news/world-asia-china-57817591
The WHO says
"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...