... is “not high”:
https://www.washingtonpost.com/world/asia_pacific/china-vaccine-efficacy-not-high-gao/2021/04/11/dafe3ab6-9a8f-11eb-8f0a-3384cf4fb399_story.html
“Sinopharm has reported a 79 percent efficacy rate for its vaccine — without releasing any data — while trials for Sinovac in Brazil and Turkey have shown an efficacy rate of just 50 percent and more than 80 percent, respectively.”
