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Brazil's New Factory Cuts Dengue Cases by 89%

12/9/2025

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Story summary
  • A new factory in Curitiba, led by agricultural engineer Luciano Moreira, now produces more than 80 million Aedes aegypti eggs weekly to curb dengue.
  • The facility uses Wolbachia bacteria to reduce dengue transmission.
  • Brazil's government recognizes this as a public health measure.
  • Scientists study how Wolbachia works, as it may block the virus or boost antiviral proteins.
  • Dengue cases in Niterói declined 89% after introduction of these mosquitoes.