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China Sinopharm's COVID-19 vaccine taken by about 1 million people in emergency use

China Sinopharm's COVID-19 vaccine taken by about 1 million people in emergency use

A Sinopharm sign in Beijing, China on Sep 5, 2020. (Photo: Reuters/Tingshu Wang)

BEIJING: Nearly a million people have taken an experimental COVID-19 vaccine developed by China National Pharmaceutical Group (Sinopharm) through the country's emergency use programme, the firm said late on Wednesday (Nov 18).

China launched the emergency use programme in July, which so far includes three vaccine candidates for essential workers and other limited groups of people even as clinical studies have yet to be completed to prove their safety and efficacy.

No serious adverse reaction has been reported from those who received the vaccine in emergency use, Sinopharm said in an article on social media WeChat, citing chairman Liu Jingzhen from a recent media interview.

READ: Malaysia in deal with China for COVID-19 vaccine development

Two vaccine candidates developed by Sinopharm's subsidiary China National Biotec Group (CNBG) and third one developed by Sinovac Biotech have been used for the emergency programme.

It is unclear which vaccine Liu was referring to, and Sinopharm was not immediately available to comment.

Sinopharm's vaccines, which use inactivated virus unable to replicate in human cells to trigger immune responses, require two doses, clinical trial registration data showed.

The experimental vaccines are undergoing Phase 3 clinical trials overseas that have recruited nearly 60,000 people, and blood samples of more than 40,000 participants have been taken 14 days after they took the second dose, the article said, citing Liu, without breaking down the numbers for each vaccine.

READ: Sinovac's COVID-19 vaccine induces quick immune response: Study

Among construction project employees, diplomats and students who went abroad after taking Sinopharm's vaccine, no one has been infected, it added.

But experts have cautioned against using data solely from emergency use programme, without comparable results from a clinical trial-standard control group, to determine a vaccine's effectiveness.

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Source: Reuters/mi


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