The West Nile virus has raised the alarm in certain states after some mosquitoes tested positive for the strain.

The Pan American Health Organization (PAHO) warns that dengue is an illness being overshadowed by the COVID-19 pandemic.

Research from the United Kingdom showed limiting global warming could help avoid more than three million annual cases of dengue fever.

What's the latest news on vaccines for the mosquito-borne diseases Zika, chikungunya, and dengue?

New research from Johns Hopkins researchers and others finds that the world's first approved dengue vaccine may do more harm than good in certain areas of the world.

A new macromolecule is designed to fight off an array of deadly viral infections, including the Zika virus, Ebola, and dengue fever.

A dengue vaccine developed by NIH scientists protected everyone given the shot against the virus in a promising small study published on Wednesday,

A new study suggests that chikungunya is commonly misdiagnosed as the similar dengue fever.

The mayor of Hawaii's Big Island declared a state of emergency on Monday to deal with a growing outbreak of dengue fever, spread by infected mosquitoes, with 250 cases confirmed over the past four months.

Some doctors believe health authorities were slow to believe cases of Zika were on the rise.

The number of dengue cases in Thailand is expected to spike this year, a researcher said, as experts from across Asia met to discuss introduction of the first ever dengue vaccine to control and prevent the disease.

Brazil becomes the third nation in less than a month to approve the world's first dengue vaccine.