Resistant bed-bugs ‘from tropics’

New results suggest that insecticide use in the tropics is to blame for the re-emergence of bed-bug infestations.

Exposure to treated bed nets and linens meant that populations of bed-bugs had become resistant to the chemicals used to kill them, researchers said.

The findings could help convince pest controllers to find alternative remedies to deal with the problem.

The results were presented at the American Society of Tropical Medicine and Hygiene’s 60th annual meeting.

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