Which of the following diseases is caused by a protozoan?
- Influenza
- Babesiosis
- Blastomycosis
- Syphilis
Answer
(2) Babesiosis
Solution
Influenza is caused by a virus (influenza virus).
Babesiosis is caused by the protozoan Babesia (a sporozoan that infects red blood cells, spread by ticks).
Blastomycosis is caused by a fungus ( Blastomyces).
Syphilis is caused by a bacterium ( Treponema pallidum).
∴ Babesiosis is the protozoan disease.
Answer: (2)