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Chinese Covid vaccine found safe, effective in children, adolescents: Lancet study
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Chinese Covid Vaccine Safe, Effective In Children, Adolescents: Lancet Study
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2021-06-03 13:21:09 GMT2021-06-03 21:21:09(Beijing Time) Sina English
Xinhua
Zhang Xin, a medical worker, arranges samples for nucleic acid tests at a lab of China-Japan Friendship Hospital in Beijing, capital of China on July 3, 2020.
Samples from a study suggesting that COVID-19 was circulating outside China by October 2019 have been re-tested at the World Health Organization s request, a Reuters report quoted two scientists leading the research as saying on Tuesday. While COVID-19 was first identified in the central Chinese city of Wuhan in December 2019, a study published last year suggested antibodies to either the virus or a variant had been detected elsewhere prior to the first confirmed report of the virus in China.