How do masks prevent transmission? Does the virus get stuck in the mask fibers? Does the virus bounce off the mask and fall to the ground? If someone is wearing a mask and has Covid does the virus bounce off the mask and go back into their nose and mouth?
How do masks prevent transmission? Does the virus get stuck in the mask fibers? Does the virus bounce off the mask and fall to the ground? If someone is wearing a mask and has Covid does the virus bounce off the mask and go back into their nose and mouth?
How do masks prevent transmission? Does the virus get stuck in the mask fibers? Does the virus bounce off the mask and fall to the ground? If someone is wearing a mask and has Covid does the virus bounce off the mask and go back into their nose and mouth?