Coronavirus is one of the most common causes of respiratory tract infections that are often overlooked during examination by physicians. It’s important to use facial masks when coming into contact with any person who has had symptoms like fever, cough, runny nose, sore throat or nausea for at least two days or less than a week prior to contact. It’s also necessary to wear a mask during any public assembly where chances of infection are high because there is a possibility that you might. To read more go through the link..