Warning: New research has identified the corona virus to remain on the mask for more than a week
new research shows that the time the virus remains on the face of the mask is much longer than we thought. therefore, all need to make it a habit not to touch the front of theAfter coughing and sneezing, bacteria can survive in the air for up to 45 minutes
transmission of airborne disease is the most common and difficult to prevent infection. in fact, the bacteria that shoot from carriers (through coughing, sneezing) can survive in