ICSE Class 9 - Viral Diseases Videos

•  If Covid-19 or Corona virus is a communicable disease, then when will it end? 😳😱😥
• What WHO says about the corona virus? When will be the medicine against corona will be made? 😳😳
• the germ causing hepatiticsis tranmitrans through 
• The germ causing hepatitis is transmitted through?   

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