Official: Chinese vaccines' effectiveness low 6park.com
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A worker opens a package of coronavirus vaccine made by a Sinopharm subsidiary during a COVID-19 vaccination session for resident foreign journalists at a vaccination center in Beijing, Tuesday, March 23, 2021. Chinese medical firm Sinovac said its COVID-19 vaccine is safe in children ages 3-17, based on preliminary data, and it has submitted the data to Chinese drug regulators. State-owned Sinopharm, who has two COVID-19 vaccines, is also investigating the effectiveness of its vaccines in children. (AP Photo/Mark Schiefelbein)More
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JOE McDONALD and HUIZHONG WU
Sat, April 10, 2021, 10:36 PM 6park.com
BEIJING (AP) — In a rare admission of the weakness of Chinese coronavirus vaccines, the country's top disease control official says their effectiveness is low and the government is considering mixing them to give them a boost.
Chinese vaccines “don’t have very high protection rates,” said the director of the China Centers for Disease Control, Gao Fu, at a conference Saturday in the southwestern city of Chengdu.
Beijing has distributed hundreds of millions of doses in other countries while also trying to promote doubt about the effectiveness of Western vaccines.
“It’s now under formal consideration whether we should use different vaccines from different technical lines for the immunization process,” Gao said. 6park.com
The effectiveness rate of a coronavirus vaccine from Sinovac, a Chinese developer, at preventing symptomatic infections has been found to be as low as 50.4% by researchers in Brazil. By comparison, the vaccine made by Pfizer has been found to be 97% effective.
Beijing has yet to approve any foreign vaccines for use in China, where the coronavirus emerged in late 2019.
Gao gave no details of possible changes in strategy but mentioned mRNA, a previously experimental technique used  6park.com