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Volume 25, Number 7—July 2019
Research

Asymptomatic Dengue Virus Infections, Cambodia, 2012–2013

Sowath Ly1, Camille Fortas1, Veasna Duong, Tarik Benmarhnia, Anavaj Sakuntabhai, Richard Paul, Rekol Huy, Sopheak Sorn, Kunthy Nguon, Siam Chan, Souv Kimsan, Sivuth Ong, Kim Srorn Kim, Sowathy Buoy, Lim Voeung, Philippe Dussart, Philippe Buchy12, and Arnaud Tarantola1Comments to Author 
Author affiliations: Institut Pasteur du Cambodge, Phnom Penh, Cambodia (S. Ly, C. Fortas, V. Duong, S. Sorn, K. Nguon, S. Chan, S. Kimsan, S. Ong, P. Dussart, P. Buchy, A. Tarantola); University of California, San Diego, California, USA (T. Benmarhnia); Institut Pasteur, Paris, France (A. Sakuntabhai, R. Paul); Malaria National Center, Phnom Penh (R. Huy); Kampong Cham Provincial Hospital, Kampong Cham, Cambodia (K.S. Kim); Prey Chhor District Referral Hospital, Kampong Cham (S. Buoy); Tboung Khmum District Referral Hospital, Thoung Khmum, Cambodia (L. Voeung)

Main Article

Figure

Participant screening and data flowchart for perifocal investigations for asymptomatic DENV infection, Cambodia, 2012–2013. Initial DENV screening of febrile cases was conducted using nonstructural (NS) 1 IgM/IgG combo rapid test. Perifocal investigations took place in villages of index cases; we screened all persons in 20 households within a 100-m radius of an index case household. We excluded persons <0.5 and >30 years of age. Laboratory confirmation of DENV conducted through quantitativ

Figure. Participant screening and data flowchart for perifocal investigations for asymptomatic DENV infection, Cambodia, 2012–2013. Initial DENV screening of febrile cases was conducted using nonstructural (NS) 1 IgM/IgG combo rapid test. Perifocal investigations took place in villages of index cases; we screened all persons in 20 households within a 100-m radius of an index case household. We excluded persons <0.5 and >30 years of age. Laboratory confirmation of DENV was conducted through quantitative reverse transcription PCR or NS1-capture ELISA. DENV, dengue virus; PI-H, perifocal investigations conducted for index cases identified through hospital surveillance; PI-V, perifocal investigations conducted for index cases identified through village febrile surveillance.

Main Article

1These authors contributed equally to this article.

2Current affiliation: GlaxoSmithKline Vaccines Research and Design, Singapore.

Page created: June 17, 2019
Page updated: June 17, 2019
Page reviewed: June 17, 2019
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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