Which mask to wear for maximum protection against COVID? Here’s the answer
The mask should be worn properly - that is, covering both the nose and mouth of a person for protection against the virus.
Apr 18, 2021, 14:17 PM IST
The mask should be worn properly - that is, covering both the nose and mouth of a person for protection against the virus.
Apr 18, 2021, 14:17 PM IST