Expert: Fight against COVID-19 should not rely on 'herd immunity' 

Renowned Chinese respiratory specialist Zhong Nanshan said the fight against the COVID-19 should not be reliant on 'herd immunity', adding that the production of an effective COVID-19 vaccine is at present the top priority.

Zhong made the remarks at a press conference in Guangzhou on Wednesday, noting that, so far, there is no targeted therapeutic COVID-19 drug and international cooperation is still needed for new experiments.

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