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 pe...

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Main Authors: Tereza Magalhaes, Flávio Codeço Coelho, Wayner V. Souza, Isabelle F.T. Viana, Thomas Jaenisch, Ernesto T.A. Marques, Brian D. Foy, Cynthia Braga
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2024-12-01
Series:Emerging Infectious Diseases
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Online Access:https://wwwnc.cdc.gov/eid/article/30/12/23-1733_article
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author Tereza Magalhaes
Flávio Codeço Coelho
Wayner V. Souza
Isabelle F.T. Viana
Thomas Jaenisch
Ernesto T.A. Marques
Brian D. Foy
Cynthia Braga
author_facet Tereza Magalhaes
Flávio Codeço Coelho
Wayner V. Souza
Isabelle F.T. Viana
Thomas Jaenisch
Ernesto T.A. Marques
Brian D. Foy
Cynthia Braga
author_sort Tereza Magalhaes
collection DOAJ
description 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.
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spelling doaj-art-ab95e41bde064839b538256c4be731a12025-08-20T02:28:32ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60592024-12-0130122559256610.3201/eid3012.231733Effect of Sexual Partnerships on Zika Virus Transmission in Virus-Endemic Region, Northeast BrazilTereza MagalhaesFlávio Codeço CoelhoWayner V. SouzaIsabelle F.T. VianaThomas JaenischErnesto T.A. MarquesBrian D. FoyCynthia Braga 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. https://wwwnc.cdc.gov/eid/article/30/12/23-1733_articleZika virusZIKVarbovirusarboviral diseasedengue viruschikungunya virus
spellingShingle Tereza Magalhaes
Flávio Codeço Coelho
Wayner V. Souza
Isabelle F.T. Viana
Thomas Jaenisch
Ernesto T.A. Marques
Brian D. Foy
Cynthia Braga
Effect of Sexual Partnerships on Zika Virus Transmission in Virus-Endemic Region, Northeast Brazil
Emerging Infectious Diseases
Zika virus
ZIKV
arbovirus
arboviral disease
dengue virus
chikungunya virus
title Effect of Sexual Partnerships on Zika Virus Transmission in Virus-Endemic Region, Northeast Brazil
title_full Effect of Sexual Partnerships on Zika Virus Transmission in Virus-Endemic Region, Northeast Brazil
title_fullStr Effect of Sexual Partnerships on Zika Virus Transmission in Virus-Endemic Region, Northeast Brazil
title_full_unstemmed Effect of Sexual Partnerships on Zika Virus Transmission in Virus-Endemic Region, Northeast Brazil
title_short Effect of Sexual Partnerships on Zika Virus Transmission in Virus-Endemic Region, Northeast Brazil
title_sort effect of sexual partnerships on zika virus transmission in virus endemic region northeast brazil
topic Zika virus
ZIKV
arbovirus
arboviral disease
dengue virus
chikungunya virus
url https://wwwnc.cdc.gov/eid/article/30/12/23-1733_article
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