A child in sub-Saharan Africa receives a long-lasting insecticidal net (LLIN) treated with a pyrethroid insecticide. Vector surveillance in the area s...

Question

A child in sub-Saharan Africa receives a long-lasting insecticidal net (LLIN) treated with a pyrethroid insecticide. Vector surveillance in the area shows pyrethroid-resistant Anopheles gambiae populations. What is the WHO-recommended next-generation net technology to address pyrethroid resistance?

Accepted Answer

Nets treated with pyrethroid plus piperonyl butoxide (PBO), or dual-active ingredient nets combining a pyrethroid with a second insecticide class (e.g., chlorfenapyr)

Answer

Untreated nets with smaller mesh size

Answer

Nets soaked in DEET repellent

Answer

Nets treated with DDT

Answer

No solution exists for pyrethroid-resistant mosquitoes

uk-dtmh MCQ (SBA): Pyrethroid-resistant Vectors and Next-gen Nets

A child in sub-Saharan Africa receives a long-lasting insecticidal net (LLIN) treated with a pyrethroid insecticide. Vector surveillance in the area shows pyrethroid-resistant Anopheles gambiae populations. What is the WHO-recommended next-generation net technology to address pyrethroid resistance?