21 COVID-19 vaccines enter clinical trials in China: official

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China has witnessed 21 COVID-19 vaccines enter clinical trials, an official with the National Health Commission (NHC) said Sunday.

So far, four COVID-19 vaccines have been granted conditional marketing approval and three have been authorized for emergency use within the country, according to Zeng Yixin, deputy head of the NHC.

A total of eight COVID-19 vaccines have been approved for phase III clinical trial overseas, and one messenger RNA (mRNA) COVID-19 vaccine met the ethical requirements for phase III clinical trial overseas, Zeng said. 

 

Email: gaohan@nbd.com.cn

Editor: Gao Han