Answered By: Jeffrey Orrico
Last Updated: Feb 01, 2017     Views: 26

According to the NIH, dengue (pronounced: den-gay) is “a virus-caused disease that is spread by mosquitoes.”

“Dengue hemorrhagic fever occurs when a person catches a different type dengue virus after being infected by another one sometime before. Prior immunity to a different dengue virus type plays an important role in this severe disease.”

Mosby's Dictionary of Medicine, Nursing, & Health Professions, s.v. "dengue fever," accessed November 10, 2012,

According to the CDC, “Dengue has emerged as a worldwide problem only since the 1950s. Although dengue rarely occurs in the continental United States, it is endemic in Puerto Rico, and in many popular tourist destinations in Latin America and Southeast Asia; periodic outbreaks occur in Samoa and Guam.”

A map of global dengue activity is available at

The CDC maintains a comprehensive health information site on dengue fever at


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