By Which Route is Giardia Lamblia Transmitted from Infected Host

Question

By which route is Giardia lamblia transmitted from infected host to susceptible host?
A)aerosol
B)direct contact
C)vector-borne
D)fecal-oral
E)blood-borne

Accepted Answer

Giardia lamblia is transmitted through the fecal-oral route, meaning that the parasite is shed in the feces of an infected host and then can be ingested by a susceptible host through contaminated food, water, or surfaces.