China has developed a face mask that detects COVID-19 and influenza viruses in the air: 20 Sep COVID update

China has developed a face mask that detects COVID-19 and influenza viruses in the air

China has developed a face mask that detects COVID-19 and influenza viruses in the air Source: AAP

Listen to SBS Sinhala updates on the COVID situation in Australia on 20 September 2022.



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