Question
Biology Question on human health and disease
Which of the following diseases is caused by a protozoan?
A
Babesiosis
B
Blastomycosis
C
Syphilis
D
Influenza
Answer
Babesiosis
Explanation
Solution
Babesiosis is a malaria-like parasitic disease caused by infection with Babesia, a parasitic protozoan. Babesiosis has long been recognised as a disease of cattle and other domestic animals, until human forms of babesiosis had been discovered, Babesia parasites reproduce in red blood cells of mammals and cause haemolytic anaemia, quite similar to malaria. The parasite is transmitted by ticks.