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A household serosurvey to estimate the magnitude of a dengue outbreak in Mombasa, Kenya, 2013.

Abstract：

:Dengue appears to be endemic in Africa with a number of reported outbreaks. In February 2013, several individuals with dengue-like illnesses and negative malaria blood smears were identified in Mombasa, Kenya. Dengue was laboratory confirmed and an investigation was conducted to estimate the magnitude of local transmission including a serologic survey to determine incident dengue virus (DENV) infections. Consenting household members provided serum and were questioned regarding exposures and medical history. RT-PCR was used to identify current DENV infections and IgM anti-DENV ELISA to identify recent infections. Of 1,500 participants from 701 households, 210 (13%) had evidence of current or recent DENV infection. Among those infected, 93 (44%) reported fever in the past month. Most (68, 73%) febrile infected participants were seen by a clinician and all but one of 32 participants who reportedly received a diagnosis were clinically diagnosed as having malaria. Having open windows at night (OR = 2.3; CI: 1.1-4.8), not using daily mosquito repellent (OR = 1.6; CI: 1.0-2.8), and recent travel outside of Kenya (OR = 2.5; CI: 1.1-5.4) were associated with increased risk of DENV infection. This survey provided a robust measure of incident DENV infections in a setting where cases were often unrecognized and misdiagnosed.

journal_name

PLoS Negl Trop Dis

journal_title

PLoS neglected tropical diseases

authors

Ellis EM,Neatherlin JC,Delorey M,Ochieng M,Mohamed AH,Mogeni DO,Hunsperger E,Patta S,Gikunju S,Waiboic L,Fields B,Ofula V,Konongoi SL,Torres-Velasquez B,Marano N,Sang R,Margolis HS,Montgomery JM,Tomashek KM

doi

10.1371/journal.pntd.0003733

subject

Has Abstract

pub_date

2015-04-29 00:00:00

pages

e0003733

issue

4

eissn

1935-2727

issn

1935-2735

pii

PNTD-D-14-01986

journal_volume

9

pub_type

历史文章,杂志文章

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