I just found this online.


"Pneumonia is most commonly caused by bacteria and viruses, which are contagious. It can also be caused by breathing in a foreign object (aspiration pneumonia), and in rare cases a fungal infection, which is not usually contagious. "


Can you get him to wear a mask??

Personally I would probably stay away if your instinct is telling you to stay away. Instinct is always spot on x