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Deforestation Fuels Mosquito Bites, Raising Disease Risks

1/19/2026

28 5 Full Breakdown

Summary

Story summary

The study finds deforestation in Brazil's Atlantic Forest is pushing mosquitoes to bite humans more often.
Researchers collected 1,714 mosquitoes and analyzed 24 samples, finding human blood in 18 of the 24.
The shift is linked to wildlife declines from habitat loss, reducing non-human hosts.
Scientists warn that increased human feeding could raise dengue and Zika risks.
The study calls for further research to assess the public health implications.

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Story summary

The study finds deforestation in Brazil's Atlantic Forest is pushing mosquitoes to bite humans more often.
Researchers collected 1,714 mosquitoes and analyzed 24 samples, finding human blood in 18 of the 24.
The shift is linked to wildlife declines from habitat loss, reducing non-human hosts.
Scientists warn that increased human feeding could raise dengue and Zika risks.
The study calls for further research to assess the public health implications.