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.

Dengue continues to spread locally among Hawaii's mosquito population, and it's infected at least 181 people since September.

The world's first vaccine for dengue was approved by Mexico earlier this month.

Although Americans are healthier than ever before, there are certain diseases that have been on the rise in recent years.