University Admission Biology Exam
Question 1 of 30
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A patient has fever and watery diarrhoea after drinking from an untreated well. Stool culture shows comma shaped bacteria. Which intervention most directly breaks the immediate transmission cycle at community level?
Select one option.
A
Indoor residual spraying of insecticides
B
Distribution of antimalarial drugs
C
Provision of safe chlorinated water and sanitation enforcement
D
Mass treatment with antivirals
E
Use of condoms only
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