Question 43
Microorganisms and HealthThe primary and secondary hosts respectively of bilharzia are
- A.fish and man
- B.man and dog
- C.snail and man
- D.man and snail
- E.fish and snail.
Show the answer and explanation
Answer: D (man and snail)
Explanation
The adult Schistosoma lives and breeds in man (primary host); its larvae develop in the water snail (secondary host).