Which of the following is a measure for the control of bilharzia?

A. Cutting low bushes around homes
B. Application of molluscicides in water bodies
C. Screening windows and doors with mosquito nets
D. Application of herbicides in water bodies

Correct Answer:

Option B – Application of molluscicides in water bodies

Explanation

Schistosomiasis, also known as bilharzia or ‘snail fever’, is a disease caused by parasites (worms called schistosomes) carried by freshwater snails.

Schistosomiasis control focuses on reducing disease through periodic, large-scale population treatment with medication;

a more comprehensive approach including potable water, adequate sanitation, and snail control would also reduce transmission.