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Dengue is an acute febrile illness caused by any of four mosquito-transmitted dengue virus (DENV) types. Dengue is endemic in Jamaica, where an epidemic occurred in 2012. An investigation was conducted by multiple agencies for 66 missionaries traveling from nine US states to Jamaica after 1 missionary from the group was confirmed to have dengue. Travelers were offered diagnostic testing, and a survey was administered to assess knowledge, behaviors, and illness. Of 42 survey respondents, 9 (21%) respondents reported an acute febrile illness during or after travel to Jamaica. Of 15 travelers that provided serum specimens, 4 (27%) travelers had detectable anti-DENV immunoglobulin M antibody, and 1 traveler also had DENV-1 detected by reverse transcriptase polymerase chain reaction. Recent or past infection with a DENV was evident in 93% (13 of 14) missionaries with available sera. No behavioral or demographic factors were significantly associated with DENV infection. This investigation shows that even trips of short duration to endemic areas present a risk of acquiring dengue.
Authors' addresses: Abelardo C. Moncayo, Vector-Borne Diseases Section, Communicable and Environmental Diseases Services, Tennessee Department of Health, Nashville, TN, E-mail: Abelardo.Moncayo@tn.gov. Jane Baumblatt, Vector-Borne Diseases Section, Communicable and Environmental Diseases Services, Tennessee Department of Health, Nashville, TN, and Epidemic Intelligence Services, Centers for Disease Control and Prevention, Atlanta, GA, E-mail: Jane.Baumblatt@ahrq.hhs.gov. Dana Thomas, Kira A. Harvey, and Mark Sotir, Division of Global Migration and Quarantine, Traveler's Health Branch, Centers for Disease Control and Prevention, Atlanta, GA, E-mails: firstname.lastname@example.org, email@example.com, and firstname.lastname@example.org. David Atrubin and Danielle Stanek, Division of Disease Control and Prevention, Florida Department of Health, Tallahassee, FL, E-mails: David.Atrubin@flhealth.gov and Danielle.Stanek@flhealth.gov. Elizabeth Hunsperger, Tyler M. Sharp, and D. Fermin Arguello, Division of Vector-Borne Infectious Disease, Dengue Branch, Centers for Diseases Control and Prevention, San Juan, Puerto Rico, E-mails: email@example.com, firstname.lastname@example.org, and email@example.com. Jorge L. Muñoz-Jordan, Dengue Branch, Centers for Diseases Control and Prevention, San Juan, Puerto Rico, E-mail: firstname.lastname@example.org. Emily S. Jentes, Division of Global Migration and Quarantine, Centers for Diseases Control and Prevention, Atlanta, GA, E-mail: email@example.com.