eWellness: Some facts on Malaria |
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eWellness: Some facts on Malaria
Dr KK Aggarwal,  20 November 2020
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  • Malaria is transmitted by the bite of a female anopheles mosquito.
  • The mosquito mainly bites between dusk and dawn.
  • Malaria can also be transmitted through blood transfusion, or through sharing of contaminated needles.
  • Bed nets are good against malaria as the major malarial vectors bite during the night.
  • The behavior of the mosquitoes may differ. Some may prefer to rest indoors and feed indoors in the night. Some mosquitoes may rest and feed outdoors earlier in the day.
  • Preventive therapy of malaria can be instituted during pregnancy in high risk areas.
  • The malaria mosquito feeds every third day compared to the dengue mosquito, which feeds three times in a day.
  • Unlike the malaria mosquito, the dengue mosquito bites during the day.
  • Malarial fever presents with chills, especially during afternoon.
  • Spraying of the indoor residential walls and ceiling is effective against mosquitoes.
  • DDT is commonly used as indoor residential spraying.
  • DDT should not be applied more than once or twice in a year on the walls.
  • Mosquito contact with DDT surface would generally save from lethal exposure outside the house.
  • Public must know that spray may require rearrangement of the furniture. Walls may become streaked with chemical treatment and residual odor from DDT.
  • The other alternative is malathion spray.
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