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.
Answer:
You didn't give options, but I would say either rat guts, animal fecal matter, or bugs.
Explanation:
why is use of the club drug rohynol considered <em>an club drug</em>