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並前往https://www.npr.org/sections/coronavirus-live-updates/2020/03/30/823905477/who-official-defends-guidance-we-re-not-seeing-airborne-transmission

WHO Official Defends Guidance: 'We're Not Seeing' Airborne ...

A World Health Organization official says the evidence so far shows that the virus that causes COVID-19 is primarily transmitted through ...

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