मास्क भी हो सकता है जानलेवा, यदि नहीं रखी ये ज़रूरी सावधानी!0

• COVID19, Video
• April 12, 2020

 50 total views

 50 total views Coronavirus disease (COVID-19) advice for the public: When and how to use masks If you are healthy, you only need to wear a mask if you are taking care of a person with suspected 2019-nCoV infection. Wear a mask if you are coughing or sneezing. Masks are effective only when used in combination