Staples JE, Breiman RF, Powers AM, 2009. Chikungunya fever: an epidemiological review of a re-emerging infectious disease. Clin Infect Dis 49: 942–948.
Morrison TE, 2014. Reemergence of chikungunya virus. J Virol 88: 11644–11647.
Fischer M, Staples JE, 2014. Notes from the field: chikungunya virus spreads in the Americas—Caribbean and South America, 2013–2014. MMWR 63: 500–501.
Pan American Health Organization, 2014. Chikungunya and Dengue Fever in the Americas. 29 August 2014. Available at: http://www.paho.org/hq/index.php?option=com_docman&task=doc_view&gid=27049+&Itemid=999999&lang=en. Accessed May 18, 2015.
Pan American Health Organization, 2014. Number of Reported Cases of Chikungunya Fever in the Americas: Epidemiologic Week 16. Available at: http://www.paho.org/hq/index.php?option=com_topics&view=readall&cid=5927&Itemid=40931&lang=en. Accessed February 20, 2015.
Pan American Health Organization, 2014. Number of Reported Cases of Chikungunya Fever in the Americas: Epidemiologic Week 33. Available at: http://www.paho.org/hq/index.php?option=com_topics&view=readall&cid=5927&Itemid=40931&lang=en. Accessed February 20, 2015.
Gubler DJ, 2002. Epidemic dengue/dengue hemorrhagic fever as a public health, social and economic problem in the 21st century. Trends Microbiol 10: 100–103.
CDC, 2010. Dengue fever among U.S. travelers returning from the Dominican Republic—Minnesota and Iowa, 2008. MMWR 59: 654–656.
Ratnam I, Leder K, Black J, Torresi J, 2013. Dengue fever and international travel. J Travel Med 20: 384–393.
Lanciotti RS, Kosoy OL, Laven JJ, Panella AJ, Velez JO, Lambert AJ, Campbell GL, 2007. Chikungunya virus in US travelers returning from India, 2006. Emerg Infect Dis 13: 764–767.
Martin DA, Muth DA, Brown T, Johnson AJ, Karabatsos N, Roehrig JT, 2000. Standardization of immunoglobulin M capture enzyme-linked immunosorbent assays for routine diagnosis of arboviral infections. J Clin Microbiol 38: 1823–1826.
Santiago GA, Vergne E, Quiles Y, Cosme J, Vazquez J, Medina JF, Medina F, Colon C, Margolis H, Munoz-Jordan JL, 2013. Analytical and clinical performance of the CDC real time RT-PCR assay for detection and typing of dengue virus. PLoS Negl Trop Dis 7: e2311.
Namekar M, Ellis EM, O'Connell M, Elm J, Gurary A, Park SY, Imrie A, Nerurkar VR, 2013. Evaluation of a new commercially available immunoglobulin M capture enzyme-linked immunosorbent assay for diagnosis of dengue virus infection. J Clin Microbiol 51: 3102–3106.
Pan American Health Organization, 2011. Preparedness and Response for Chikungunya Virus Introduction in the Americas. Washington, DC: Pan America Health Organization. Available at: http://www.paho.org/hq/index.php?option=com_docman&task=doc_download&gid=16984&Itemid=&lang=en. Accessed February 17, 2015.
Chen LH, Wilson ME, 2010. Dengue and chikungunya infections in travelers. Curr Opin Infect Dis 23: 438–444.
CDC, 2006. Chikungunya fever diagnosed among international travelers–United States, 2005–2006. MMWR 55: 1040–1042.
Leder K, Torresi J, Libman MD, Cramer JP, Castelli F, Schlagenhauf P, Wilder-Smith A, Wilson ME, Keystone JS, Schwartz E, Barnett ED, von Sonnenburg F, Brownstein JS, Cheng AC, Sotir MJ, Esposito DH, Freedman DO, 2013. GeoSentinel surveillance of illness in returned travelers, 2007–2011. Ann Intern Med 158: 456–468.
Schlagenhauf P, Weld L, Goorhuis A, Gautret P, Weber R, von Sonnenburg F, Lopez-Velez R, Jensenius M, Cramer JP, Field VK, Odolini S, Gkrania-Klotsas E, Chappuis F, Malvy D, van Genderen PJ, Mockenhaupt F, Jaureguiberry S, Smith C, Beeching NJ, Ursing J, Parola P, Grobusch MP, 2015. Travel-associated infection presenting in Europe (2008–12): an analysis of EuroTravNet longitudinal, surveillance data, and evaluation of the effect of the pre-travel consultation. Lancet Infect Dis 15: 55–64.
Sharp TM, Pillai P, Hunsperger E, Santiago GA, Anderson T, Vap T, Collinson J, Buss BF, Safranek TJ, Sotir MJ, Jentes ES, Munoz-Jordan JL, Arguello DF, 2012. A cluster of dengue cases in American missionaries returning from Haiti, 2010. Am J Trop Med Hyg 86: 16–22.
Massad E, Ma S, Burattini MN, Tun Y, Coutinho FA, Ang LW, 2008. The risk of chikungunya fever in a dengue-endemic area. J Travel Med 15: 147–155.
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Chikungunya spread throughout the Dominican Republic (DR) after the first identified laboratory-confirmed cases were reported in April 2014. In June 2014, a U.S.-based service organization operating in the DR reported chikungunya-like illnesses among several staff. We assessed the incidence of chikungunya virus (CHIKV) and dengue virus (DENV) infection and illnesses and evaluated adherence to mosquito avoidance measures among volunteers/staff deployed in the DR who returned to the United States during July–August 2014. Investigation participants completed a questionnaire that collected information on demographics, medical history, self-reported illnesses, and mosquito exposures and avoidance behaviors and provided serum for CHIKV and DENV diagnostic testing by reverse transcription polymerase chain reaction and IgM enzyme-linked immunosorbent assay. Of 102 participants, 42 (41%) had evidence of recent CHIKV infection and two (2%) had evidence of recent DENV infection. Of the 41 participants with evidence of recent CHIKV infection only, 39 (95%) reported fever, 37 (90%) reported rash, and 37 (90%) reported joint pain during their assignment. All attended the organization's health trainings, and 89 (87%) sought a pretravel health consultation. Most (∼95%) used insect repellent; however, only 30% applied it multiple times daily and < 5% stayed in housing with window/door screens. In sum, CHIKV infections were common among these volunteers during the 2014 chikungunya epidemic in the DR. Despite high levels of preparation, reported adherence to mosquito avoidance measures were inconsistent. Clinicians should discuss chikungunya with travelers visiting areas with ongoing CHIKV outbreaks and should consider chikungunya when diagnosing febrile illnesses in travelers returning from affected areas.
Financial support: This investigation was supported by the Centers for Disease Control and Prevention.
Authors' addresses: Alexander J. Millman, Douglas H. Esposito, Holly M. Biggs, Mark J. Sotir, Gary Brunette, and Emily S. Jentes, Centers for Disease Control and Prevention, Atlanta, GA, E-mails: irm6@cdc.gov, hgj4@cdc.gov, xdc6@cdc.gov, mps6@cdc.gov, fvd3@cdc.gov, and efj8@cdc.gov. Michelle Decenteceo, Andrew Klevos, and Jim Watkins, Centers for Disease Control and Prevention, Miami, FL, E-mails: vqi8@cdc.gov, hvc4@cdc.gov, and gpf4@cdc.gov. Elizabeth Hunsperger, Jorge Munoz-Jordan, and Tyler M. Sharp, Centers for Disease Control and Prevention, San Juan, Puerto Rico, E-mails: enh4@cdc.gov, ckq2@cdc.gov, and iyp4@cdc.gov. Olga I. Kosoy and Marc Fischer, Centers for Disease Control and Prevention, Fort Collins, CO, E-mails: oak3@cdc.gov and mxf2@cdc.gov. Heidi McPherson, Carmen Sullivan, Dayton Voorhees, and David Baron, Amigos de las Américas, Houston, TX, E-mails: hmcpherson@amigoslink.org, csullivan@amigoslink.org, dvoorhee@phs.org, and dbaron@challiance.org. Linda Gaul, Texas Department of State Health Services, Austin, TX, E-mail: linda.gaul@dshs.state.tx.us.
Staples JE, Breiman RF, Powers AM, 2009. Chikungunya fever: an epidemiological review of a re-emerging infectious disease. Clin Infect Dis 49: 942–948.
Morrison TE, 2014. Reemergence of chikungunya virus. J Virol 88: 11644–11647.
Fischer M, Staples JE, 2014. Notes from the field: chikungunya virus spreads in the Americas—Caribbean and South America, 2013–2014. MMWR 63: 500–501.
Pan American Health Organization, 2014. Chikungunya and Dengue Fever in the Americas. 29 August 2014. Available at: http://www.paho.org/hq/index.php?option=com_docman&task=doc_view&gid=27049+&Itemid=999999&lang=en. Accessed May 18, 2015.
Pan American Health Organization, 2014. Number of Reported Cases of Chikungunya Fever in the Americas: Epidemiologic Week 16. Available at: http://www.paho.org/hq/index.php?option=com_topics&view=readall&cid=5927&Itemid=40931&lang=en. Accessed February 20, 2015.
Pan American Health Organization, 2014. Number of Reported Cases of Chikungunya Fever in the Americas: Epidemiologic Week 33. Available at: http://www.paho.org/hq/index.php?option=com_topics&view=readall&cid=5927&Itemid=40931&lang=en. Accessed February 20, 2015.
Gubler DJ, 2002. Epidemic dengue/dengue hemorrhagic fever as a public health, social and economic problem in the 21st century. Trends Microbiol 10: 100–103.
CDC, 2010. Dengue fever among U.S. travelers returning from the Dominican Republic—Minnesota and Iowa, 2008. MMWR 59: 654–656.
Ratnam I, Leder K, Black J, Torresi J, 2013. Dengue fever and international travel. J Travel Med 20: 384–393.
Lanciotti RS, Kosoy OL, Laven JJ, Panella AJ, Velez JO, Lambert AJ, Campbell GL, 2007. Chikungunya virus in US travelers returning from India, 2006. Emerg Infect Dis 13: 764–767.
Martin DA, Muth DA, Brown T, Johnson AJ, Karabatsos N, Roehrig JT, 2000. Standardization of immunoglobulin M capture enzyme-linked immunosorbent assays for routine diagnosis of arboviral infections. J Clin Microbiol 38: 1823–1826.
Santiago GA, Vergne E, Quiles Y, Cosme J, Vazquez J, Medina JF, Medina F, Colon C, Margolis H, Munoz-Jordan JL, 2013. Analytical and clinical performance of the CDC real time RT-PCR assay for detection and typing of dengue virus. PLoS Negl Trop Dis 7: e2311.
Namekar M, Ellis EM, O'Connell M, Elm J, Gurary A, Park SY, Imrie A, Nerurkar VR, 2013. Evaluation of a new commercially available immunoglobulin M capture enzyme-linked immunosorbent assay for diagnosis of dengue virus infection. J Clin Microbiol 51: 3102–3106.
Pan American Health Organization, 2011. Preparedness and Response for Chikungunya Virus Introduction in the Americas. Washington, DC: Pan America Health Organization. Available at: http://www.paho.org/hq/index.php?option=com_docman&task=doc_download&gid=16984&Itemid=&lang=en. Accessed February 17, 2015.
Chen LH, Wilson ME, 2010. Dengue and chikungunya infections in travelers. Curr Opin Infect Dis 23: 438–444.
CDC, 2006. Chikungunya fever diagnosed among international travelers–United States, 2005–2006. MMWR 55: 1040–1042.
Leder K, Torresi J, Libman MD, Cramer JP, Castelli F, Schlagenhauf P, Wilder-Smith A, Wilson ME, Keystone JS, Schwartz E, Barnett ED, von Sonnenburg F, Brownstein JS, Cheng AC, Sotir MJ, Esposito DH, Freedman DO, 2013. GeoSentinel surveillance of illness in returned travelers, 2007–2011. Ann Intern Med 158: 456–468.
Schlagenhauf P, Weld L, Goorhuis A, Gautret P, Weber R, von Sonnenburg F, Lopez-Velez R, Jensenius M, Cramer JP, Field VK, Odolini S, Gkrania-Klotsas E, Chappuis F, Malvy D, van Genderen PJ, Mockenhaupt F, Jaureguiberry S, Smith C, Beeching NJ, Ursing J, Parola P, Grobusch MP, 2015. Travel-associated infection presenting in Europe (2008–12): an analysis of EuroTravNet longitudinal, surveillance data, and evaluation of the effect of the pre-travel consultation. Lancet Infect Dis 15: 55–64.
Sharp TM, Pillai P, Hunsperger E, Santiago GA, Anderson T, Vap T, Collinson J, Buss BF, Safranek TJ, Sotir MJ, Jentes ES, Munoz-Jordan JL, Arguello DF, 2012. A cluster of dengue cases in American missionaries returning from Haiti, 2010. Am J Trop Med Hyg 86: 16–22.
Massad E, Ma S, Burattini MN, Tun Y, Coutinho FA, Ang LW, 2008. The risk of chikungunya fever in a dengue-endemic area. J Travel Med 15: 147–155.
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