"Viral vector"

#13412309

7 Mar 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 Mar 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 Mar 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 Mar 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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#12791614

24 Sep 2025

A dengue patient arrives at a medical college and hospital to receive treatment in Dhaka, Bangladesh, on September 24, 2025.

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#12791637

24 Sep 2025

A dengue patient arrives at a medical college and hospital to receive treatment in Dhaka, Bangladesh, on September 24, 2025.

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#12791267

24 Sep 2025

A girl diagnosed with dengue lies under a mosquito net on a bed at Mugda General Hospital in Dhaka, Bangladesh, on September 24, 2025.

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#12791276

24 Sep 2025

A girl diagnosed with dengue lies under a mosquito net on a bed at Mugda General Hospital in Dhaka, Bangladesh, on September 24, 2025.

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#11605216

24 Sep 2024

People stand in a queue to take tickets for check-up at the counter of Sukraraj Tropical and Infectious Disease Hospital in Kathmandu, Nepal, on September 24, 2024, as the national capital witnesses a surge in infection. Nepal since January this year records more than 11,545 cases of infection. The Gandaki Province alone records 5,482 cases, while Bagmati, hosting the capital Kathmandu, records 3,178 cases. Dengue is a viral disease transmitted by female Aedes aegypti and Aedes albopictus mosquitoes. The same vectors also transmit chikungunya, yellow fever, and Zika virus, according to the World Health Organization.

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#11605217

24 Sep 2024

People stand in a queue to take tickets for check-up at the counter of Sukraraj Tropical and Infectious Disease Hospital in Kathmandu, Nepal, on September 24, 2024, as the national capital witnesses a surge in infection. Nepal since January this year records more than 11,545 cases of infection. The Gandaki Province alone records 5,482 cases, while Bagmati, hosting the capital Kathmandu, records 3,178 cases. Dengue is a viral disease transmitted by female Aedes aegypti and Aedes albopictus mosquitoes. The same vectors also transmit chikungunya, yellow fever, and Zika virus, according to the World Health Organization.

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#11605204

24 Sep 2024

A dengue-infected patient undergoes treatment at Sukraraj Tropical and Infectious Disease Hospital in Kathmandu, Nepal, on September 24, 2024, as the national capital witnesses a surge in infections. Nepal records more than 11,545 cases of infection since January this year. Gandaki Province alone records 5,482 cases, while Bagmati, hosting the capital Kathmandu, records 3,178 cases. Dengue is a viral disease transmitted by female Aedes aegypti and Aedes albopictus mosquitoes. The same vectors also transmit chikungunya, yellow fever, and Zika virus, according to the World Health Organization.

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#11605205

24 Sep 2024

A dengue-infected patient undergoes treatment at Sukraraj Tropical and Infectious Disease Hospital in Kathmandu, Nepal, on September 24, 2024, as the national capital witnesses a surge in infections. Nepal records more than 11,545 cases of infection since January this year. Gandaki Province alone records 5,482 cases, while Bagmati, hosting the capital Kathmandu, records 3,178 cases. Dengue is a viral disease transmitted by female Aedes aegypti and Aedes albopictus mosquitoes. The same vectors also transmit chikungunya, yellow fever, and Zika virus, according to the World Health Organization.

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#11605206

24 Sep 2024

Dengue-infected patients undergo treatment at Sukraraj Tropical and Infectious Disease Hospital in Kathmandu, Nepal, on September 24, 2024, as the national capital witnesses a surge in infections. Nepal records more than 11,545 cases of infection since January this year. The Gandaki Province alone records 5,482 cases, while Bagmati, hosting the capital Kathmandu, records 3,178 cases. Dengue is a viral disease transmitted by female Aedes aegypti and Aedes albopictus mosquitoes. The same vectors also transmit chikungunya, yellow fever, and Zika virus, according to the World Health Organization.

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#11605207

24 Sep 2024

A dengue-infected patient undergoes treatment at Sukraraj Tropical and Infectious Disease Hospital in Kathmandu, Nepal, on September 24, 2024, as the national capital witnesses a surge in infections. Nepal records more than 11,545 cases of infection since January this year. Gandaki Province alone records 5,482 cases, while Bagmati, hosting the capital Kathmandu, records 3,178 cases. Dengue is a viral disease transmitted by female Aedes aegypti and Aedes albopictus mosquitoes. The same vectors also transmit chikungunya, yellow fever, and Zika virus, according to the World Health Organization.

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#11605208

24 Sep 2024

A dengue-infected patient undergoes treatment at Sukraraj Tropical and Infectious Disease Hospital in Kathmandu, Nepal, on September 24, 2024, as the national capital witnesses a surge in infections. Nepal records more than 11,545 cases of infection since January this year. Gandaki Province alone records 5,482 cases, while Bagmati, hosting the capital Kathmandu, records 3,178 cases. Dengue is a viral disease transmitted by female Aedes aegypti and Aedes albopictus mosquitoes. The same vectors also transmit chikungunya, yellow fever, and Zika virus, according to the World Health Organization.

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#11605209

24 Sep 2024

Dengue-infected patients undergo treatment at Sukraraj Tropical and Infectious Disease Hospital in Kathmandu, Nepal, on September 24, 2024, as the national capital witnesses a surge in infections. Nepal records more than 11,545 cases of infection since January this year. The Gandaki Province alone records 5,482 cases, while Bagmati, hosting the capital Kathmandu, records 3,178 cases. Dengue is a viral disease transmitted by female Aedes aegypti and Aedes albopictus mosquitoes. The same vectors also transmit chikungunya, yellow fever, and Zika virus, according to the World Health Organization.

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