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© Research
Publication : Emerging infectious diseases

Asymptomatic Dengue Virus Infections, Cambodia, 2012-2013

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Emerging infectious diseases - 01 Jul 2019

Ly S, Fortas C, Duong V, Benmarhnia T, Sakuntabhai A, Paul R, Huy R, Sorn S, Nguon K, Chan S, Kimsan S, Ong S, Kim KS, Buoy S, Voeung L, Dussart P, Buchy P, Tarantola A

Link to Pubmed [PMID] – 31211672

Emerging Infect. Dis. 2019 Jul;25(7):1354-1362

We investigated dengue virus (DENV) and asymptomatic DENV infections in rural villages of Kampong Cham Province, Cambodia, during 2012 and 2013. We conducted perifocal investigations in and around households for 149 DENV index cases identified through hospital and village surveillance. We tested participants 0.5-30 years of age by using nonstructural 1 rapid tests and confirmed DENV infections using quantitative reverse transcription PCR or nonstructural 1-capture ELISA. We used multivariable Poisson regressions to explore links between participants’ DENV infection status and household characteristics. Of 7,960 study participants, 346 (4.4%) were infected with DENV, among whom 302 (87.3%) were <15 years of age and 225 (65.0%) were <9 years of age. We identified 26 (7.5%) participants with strictly asymptomatic DENV infection at diagnosis and during follow-up. We linked symptomatic DENV infection status to familial relationships with index cases. During the 2-year study, we saw fewer asymptomatic DENV infections than expected based on the literature.

https://www.ncbi.nlm.nih.gov/pubmed/31211672