Earlier quoted context omitted.
1B is very impressive but more than twice that in the same time really puts the capacity, scale and reach of the Chinese State at a different level. Still I am curious why China is not opening up the borders to visitors?
> 1B is very impressive 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...