If the disease is communicable, it is contagious. If it is airborne, it is transferred through the air, as opposed to physical touch or blood-borne. Being in a confined space, such as an ambulance, with an airborne communicable disease means you have most definitely been exposed to it.
He should include anaerobic exercise in his fitness program.
If it is Gushing make sure you Cut off Mild circulation.. If not bad apply right medicine
Hope this helps :)