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Effect of sexual partnerships on Zika virus transmission in virus-endemic region, Northeast Brazil

The epidemiologic effects of Zika virus (ZIKV) sexual transmission in virus-endemic countries remain unclear. We conducted a 2-level, linear mixed-effects logistic regression analysis by using a recently acquired population-based ZIKV and chikungunya virus (CHIKV) serologic dataset obtained from per...

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Hauptverfasser: Magalhaes, Tereza (VerfasserIn) , Coelho, Flávio Codeço (VerfasserIn) , Souza, Wayner V. (VerfasserIn) , Viana, Isabelle F. T. (VerfasserIn) , Jänisch, Thomas (VerfasserIn) , Marques, Ernesto T. A. (VerfasserIn) , Foy, Brian D. (VerfasserIn) , Braga, Cynthia (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: November 15, 2024
In: Emerging infectious diseases
Year: 2024, Jahrgang: 30, Heft: 12, Pages: 2559-2566
ISSN:1080-6059
DOI:10.3201/eid3012.231733
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.3201/eid3012.231733
Verlag, kostenfrei, Volltext: https://wwwnc.cdc.gov/eid/article/30/12/23-1733_article
Volltext
Verfasserangaben:Tereza Magalhaes, Flávio Codeço Coelho, Wayner V. Souza, Isabelle F.T. Viana, Thomas Jaenisch, Ernesto T.A. Marques, Brian D. Foy, Cynthia Braga
Beschreibung
Zusammenfassung:The epidemiologic effects of Zika virus (ZIKV) sexual transmission in virus-endemic countries remain unclear. We conducted a 2-level, linear mixed-effects logistic regression analysis by using a recently acquired population-based ZIKV and chikungunya virus (CHIKV) serologic dataset obtained from persons residing in Northeast Brazil (n = 2,070 participants). We adjusted mathematical models for housing type and age of participants; the models indicated a significantly higher likelihood of ZIKV seropositivity among persons engaged in a sexual relationship within the same household (odds ratio 1.25 [95% CI 1.00–1.55]; p = 0.047), regardless of their partner’s ZIKV serostatus, and among participants with a ZIKV-seropositive sex partner within the same household (odds ratio 1.54 [95% CI 1.18–2.01]; p = 0.002). CHIKV was also modeled as a control; no sex-associated effects were observed for CHIKV serology. Inclusion of ZIKV sexual transmission in prevention and control strategies is urgently needed, particularly in ZIKV-endemic regions.
Beschreibung:Gesehen am 26.09.2025
Beschreibung:Online Resource
ISSN:1080-6059
DOI:10.3201/eid3012.231733

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