A new study highlights the need for widespread use of better face masks and the importance of good ventilation to mitigate the spread of Covid-19 indoors.
from Current Affairs https://ift.tt/3B1EtNr
from Current Affairs https://ift.tt/3B1EtNr
Study supports widespread use of better masks to curb Covid-19 indoors
![Study supports widespread use of better masks to curb Covid-19 indoors]()
Reviewed by শ্রী শ্রী সত্যনারায়ণ নমঃ
on
August 20, 2021
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