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The fertility-inhibiting effect of mosquitoes: Socio-economic differences in response to the Zika crisis in Colombia



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Elsevier B.V.

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We estimated the impact of the Zika virus outbreak on birth rates and demand for health care services in Colombia. Our analysis exploits the variation in the level of natural protection against mosquito-transmitted diseases across the country. This characteristic induced exogenous variation in Zika incidence, which allows us to construct a control group of municipalities with similar historical fertility trends but with differential exposure to the Zika crisis. We implemented a difference-in-differences model after matching, as well as synthetic control. We found a decrease in birth rates of approx. 10% in the last two quarters of 2019. The impact of the virus was similar irrespective of the women's education level, and we found no discernible impact on teenage pregnancy. © 2019 Elsevier B.V.
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Adolescent , Adult , Article , Birth rate , Causality , Child , Colombia , Educational status , Epidemic , Female , Female fertility , Health service , Human , Infection control , Mosquito , Nonhuman , Retrospective study , Socioeconomics , Virus transmission , Zika fever , Zika virus , Birth rate , Epidemic , Incidence , Methodology , Patient attitude , Socioeconomics , Young adult , Zika fever , Zika virus , Adolescent , Adult , Birth rate , Child , Colombia , Disease outbreaks , Female , Health services , Humans , Incidence , Patient acceptance of health care , Research design , Socioeconomic factors , Young adult , Zika virus , Zika virus infection , Colombia , Fertility , Synthetic control , Zika
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