"vector"

#13412309

7 March 2026

Culex mosquitoes, primary vectors for several viral and parasitic diseases including West Nile virus, Japanese encephalitis, St. Louis encephalitis, Western and Eastern equine encephalitis, avian malaria and lymphatic filariasis, are seen feeding on human blood and resting on cable wires and a window inside a house in Tehatta, West Bengal, India, on March 3, 2026. These mosquitoes generally bite at night and breed in stagnant or polluted water.

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#13412311

7 March 2026

Culex mosquitoes, primary vectors for several viral and parasitic diseases including West Nile virus, Japanese encephalitis, St. Louis encephalitis, Western and Eastern equine encephalitis, avian malaria and lymphatic filariasis, are seen feeding on human blood and resting on cable wires and a window inside a house in Tehatta, West Bengal, India, on March 3, 2026. These mosquitoes generally bite at night and breed in stagnant or polluted water.

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#13412312

7 March 2026

Culex mosquitoes, primary vectors for several viral and parasitic diseases including West Nile virus, Japanese encephalitis, St. Louis encephalitis, Western and Eastern equine encephalitis, avian malaria and lymphatic filariasis, are seen feeding on human blood and resting on cable wires and a window inside a house in Tehatta, West Bengal, India, on March 3, 2026. These mosquitoes generally bite at night and breed in stagnant or polluted water.

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#13412316

7 March 2026

Culex mosquitoes, primary vectors for several viral and parasitic diseases including West Nile virus, Japanese encephalitis, St. Louis encephalitis, Western and Eastern equine encephalitis, avian malaria and lymphatic filariasis, are seen feeding on human blood and resting on cable wires and a window inside a house in Tehatta, West Bengal, India, on March 3, 2026. These mosquitoes generally bite at night and breed in stagnant or polluted water.

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#13401330

4 March 2026

A worker from Dhaka North City Corporation sprays pesticide to kill mosquitoes in Dhaka, Bangladesh, on March 4, 2026

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#13401334

4 March 2026

A worker from Dhaka North City Corporation sprays pesticide to kill mosquitoes in Dhaka, Bangladesh, on March 4, 2026

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#13401335

4 March 2026

A worker from Dhaka North City Corporation sprays pesticide to kill mosquitoes in Dhaka, Bangladesh, on March 4, 2026

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#13401337

4 March 2026

A worker from Dhaka North City Corporation sprays pesticide to kill mosquitoes in Dhaka, Bangladesh, on March 4, 2026

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#13378706

27 February 2026

Aedes mosquitoes expand their range due to climate change, spreading diseases like dengue, Zika, West Nile, yellow fever, and chikungunya to new areas, including the US Mountain West and Europe. In 2024, global dengue cases peak at over 13 million. A female Aedes mosquito feeds on human blood in Tehatta, West Bengal, India, on February 27, 2026.

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#13378707

27 February 2026

Aedes mosquitoes expand their range due to climate change, spreading diseases like dengue, Zika, West Nile, yellow fever, and chikungunya to new areas, including the US Mountain West and Europe. In 2024, global dengue cases peak at over 13 million. A female Aedes mosquito feeds on human blood in Tehatta, West Bengal, India, on February 27, 2026.

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#13378710

27 February 2026

Aedes mosquitoes expand their range due to climate change, spreading diseases like dengue, Zika, West Nile, yellow fever, and chikungunya to new areas, including the US Mountain West and Europe. In 2024, global dengue cases peak at over 13 million. A female Aedes mosquito feeds on human blood in Tehatta, West Bengal, India, on February 27, 2026.

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#13313298

13 February 2026

Guppy fish swim in a container after being released to feed on Asian tiger mosquito (Aedes albopictus) larvae in Tehatta, West Bengal, India, on January 14, 2026, as part of efforts to curb the spread of mosquito-borne diseases including dengue and chikungunya.

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#13313299

13 February 2026

Guppy fish swim in a container after being released to feed on Asian tiger mosquito (Aedes albopictus) larvae in Tehatta, West Bengal, India, on January 14, 2026, as part of efforts to curb the spread of mosquito-borne diseases including dengue and chikungunya.

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#13313300

13 February 2026

Guppy fish swim in a container after being released to feed on Asian tiger mosquito (Aedes albopictus) larvae in Tehatta, West Bengal, India, on January 14, 2026, as part of efforts to curb the spread of mosquito-borne diseases including dengue and chikungunya.

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#13313303

13 February 2026

Guppy fish swim in a container after being released to feed on Asian tiger mosquito (Aedes albopictus) larvae in Tehatta, West Bengal, India, on January 14, 2026, as part of efforts to curb the spread of mosquito-borne diseases including dengue and chikungunya.

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#13068454

7 December 2025

Amid a rising surge of dengue cases, workers spray mosquito-control chemicals across residential areas in an effort to curb the spread of the virus in Dhaka, Bangladesh, on December 7, 2025.

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