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Comment by ghostcluster | Hacker News Reader

By way of comparison, China has administered at least 2,232,088,000 doses of COVID vaccines so far

https://graphics.reuters.com/world-coronavirus-tracker-and-m...

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?

Maybe they’re not yet done with covering up or don’t want investigative journalists

> 1B is very impressive

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...

They say because they still maintain a zero covid strategy for the foreseeable future: https://time.com/6104303/china-zero-covid/

As far as I have read China heavily locks down regions if covid flares emerge, tests everyone in the region within a few days, then opens everything up less than a week later. This doesn't fit to the way more laissez-faire approach in the West.

Plus about 1.2 billion doses that were exported/donated: https://www.bbc.com/news/58808889

and donated another billion

And the EU administered about 580 million doses while exporting 1 billion: https://www.reuters.com/world/europe/eu-has-exported-over-1-...

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