Expert: Wuhan lab has not had any leakage incidents since put into operation

China on Thursday held a media conference on the COVID-19 origin tracing study. Yuan Zhiming, director of the National Biosafety Laboratory at the Wuhan Institute of Virology, said that his lab, which studies Class 4 pathogens and boasts the highest biosafety rating, has not had any incidents of leakage since it was put into operation in 2018.

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