Dengue in the US States and Territories

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  • Dengue outbreaks occasionally occur in the continental United States.
  • Dengue is common in the U.S. territories of American Samoa, Puerto Rico, and the U.S. Virgin Islands, and the freely associated states, including the Federated States of Micronesia, the Republic of Marshall Islands, and the Republic of Palau.
  • Nearly all dengue cases reported in the 48 contiguous US states were in travelers infected elsewhere.
  • In the United States, local dengue outbreaks most recently occurred in Hawaii (2015), Florida (2013, 2020), and Texas (2013).
    • Most outbreaks in the United States have been relatively small and limited to small areas.
    • Because the types of mosquitoes that spread dengue are common throughout many areas of the United States, local spread of dengue is possible.
  • Maps of reported dengue cases (local spread [PDF – 1 page] and imported cases [PDF – 1 page]) in the United States
Page last reviewed: August 19, 2022
Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Vector-Borne Diseases (DVBD)