SPM – MCQ 121 – Aedes aegypti index

According to Intemational Health Regulations, there is no risk of spread of yellow Fever if the Aedes aegypti index remains below :
A. 1%
B. 5%
C. 8%
D. 10%

Correct answer : A. 1%

Aedes aegypti index is the percentage of houses and their premises in a limited well defined area that show actual breeding of aedes aegypti larvae. It should be kept below 1%. In addition to this, airports and seaports should be free of aedes aegypti breeding up to 400m from their perimeters.