The answer is C. influenza, chicken pox, and colds because influenza, chicken pox, and colds (called rhinovirus) are all caused by viruses. Food poisoning is not a virus, athlete's foot is a fungal infection, and strep throat is a bacterial infection.
Answer:
Humanitarian nursing is nursing without limits. It involves everything Western nursing does and more, as nurses put their skills to use in places like conflict zones, refugee camps, or places where healthcare would otherwise be non-existent