Prevention and Control of Dengue Fever

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Dengue fever is a disease that occurs following the bite of an infected mosquito Aedes Aegypti. This type of mosquito has peculiar white spotted body and legs. It breeds in clean water and has a flight range of only 100-200 meters.

Measures for Prevention and Control of Dengue Fever

Water is must for breeding of mosquitoes. No standing water means no mosquitoes. Hence eliminating the source of breeding or denying access of mosquitoes to water is the first measure to control the emergence of dengue fever.

Prevention of dengue fever is the responsibility of every one and not just authorities. Fly proofing is a must and anyone having any sign of illness must report to a doctor immediately.

Anti Larval Measures 

a. Prevent water collection in the form of small puddles

b. All used bottles, tins and other containers should be properly disposed off

c. Temephos should be sprayed/sprinkled once a week or used engine oil may be used once a week on the ponds or water collections, which can not be drained.

Anti –Adult Mosquito Measures

  • Adult mosquitoes are killed by insecticides which should be sprayed in living accommodation
  • Insecticides to be sprayed are as under:

Knock Down Insecticides

Sprayed in rooms and other buildings with permethrine oil spary, as and when required.

Residual Insecticides

Sprayed on walls /ceilings of all buildings with deltamethrin wettable powder on monthly basis.

Personal Protective Measures

  1. Mosquito nets may be used while in bed during night and by those who may rest during the day . Mosquitoes nets if sprayed upon with based deltamethrin afford better protection. Such nets should be kept hanging on the beds at all times
  2. Mosquito repellent oils should be applied on exposed parts of the body during night at intervals of three hours, except when actually sleeping under mosquitoes nets .
  3. Full sleeve cloths and long dresses should be worn to cover as much of the body as possible.
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The writer enjoys medical education and has special interest in community medicine.