BECKHAM
21-08-2020, 01:04 AM
It does not produce many more respiratory particles than speaking at similar volume, a study finds.
for more .... (https://www.bbc.co.uk/news/health-53853961)
for more .... (https://www.bbc.co.uk/news/health-53853961)
مشاهدة النسخة كاملة : Singing 'no riskier than talking' for virus spread