China to complete phase 2 clinical trials of COVID-19 vaccines beginning in July: official

A sample of the COVID-19 inactivated vaccine is seen at a vaccine production plant of China National Pharmaceutical Group (Sinopharm) in Beijing, capital of China, April 10, 2020.

The second phase of clinical trials for COVID-19 vaccines is expected to be completed successively beginning in July, and no major adverse reactions from the trials had been reported so far, a Chinese official said Friday.

The vaccines undergoing clinical trials include one adenovirus vector vaccine and four inactivated vaccines fast-tracked by China's National Medical Products Administration, Zeng Yixin, a senior official with the National Health Commission, said at a press conference.

A total of 2,036 volunteer participants have been inoculated for the second phase of clinical trials and researchers are assessing whether or not the vaccines are safe and effective, according to Zeng.

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