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China’s Leading Respiratory Disease Expert Warns Sinovac, Sinopharm Vaccines Vulnerable to South African Variant

File image of Chinese respiratory expert Zhong Nanshang speaking at a conference in Guangzhou. Image via Xinhua.

China’s famed respiratory disease expert Zhong Nanshang (photo) issued a new warning over the weekend about the vulnerabilities of Chinese COVID-19 vaccines that use so-called inactive agents and their ability to hold up against new variants.

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