[redis_mlc]

> 1B is very impressive

Those are Sino* vaccines, which are only about 51% effective. (WHO considers 50% to be ineffective.)

[bildung]

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

[WalterGR]

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...