Answer:
virus for cold
fungus for athlete's foot
protist for giardia
Step-by-step explanation:
Giardia is a tiny parasite (germ) that causes the diarrheal disease giardiasis. Giardia is found on surfaces or in soil, food, or water that has been contaminated with feces (poop) from infected people or animals.
A fungal infection that usually begins between the toes.
Athlete's foot commonly occurs in people whose feet have become very sweaty while confined within tight-fitting shoes.