May 25, 2024

Why in News ?

Recently, in Yogyakarta city of Indonesia, dengue fever cases have been cut by 77% through a trial that manipulates the mosquitoes spreading dengue.

About the trial

  • Scientists used mosquitoes infected with “miraculous bacteria” and released across the cities. These bacteria reduce insect’s ability to spread dengue.
  • Trial used mosquitoes infected with Wolbachia bacteria.
  • Wolbachia doesn’t harm mosquito, but it goes in same parts of its body where dengue virus needs to get into.
  • The bacteria compete for resources and make it much harder for dengue virus to replicate, so the mosquito is less likely to cause an infection when it bites again.
  • According to team of World Mosquito Programme, this method can be a solution to virus that has spread worldwide.
  • The technique is successful and mosquitoes have been released across whole city. This project is targeting to cover more areas with the aim of eradicating dengue.
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