Zika-Associated Microcephaly Epidemic and Birth Rate Reduction in Brazilian Cities

Bibliographic Data

ID11034929
AuthorsFredi Alexander Diaz-Quijano (0000-0002-1134-1930, Fredi Alexander Diaz-Quijano and Alexandre Dias Porto Chiavegatto Filho are with the Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, Brazil. Daniele Maria Pelissari is a PhD student in epidemiology at the Department of Epidemiology, School of Public Health, University of São Paulo.), Daniele Maria Pelissari (0000-0002-0760-1875, Fredi Alexander Diaz-Quijano and Alexandre Dias Porto Chiavegatto Filho are with the Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, Brazil. Daniele Maria Pelissari is a PhD student in epidemiology at the Department of Epidemiology, School of Public Health, University of São Paulo.), Alexandre D P Chiavegatto Filho (0000-0003-3251-9600, Universidade de São Paulo)
Year2018
Volume108
Issue4
Pages514-516
Publication date2018-04-01
Peer ReviewedYes
Open AccessNo
TypeARTICLE
VenueAmerican Journal of Public Health (JOURNAL)
Journal identifiersISSN: 0090-0036 • E-ISSN: 1541-0048
PublisherAmerican Public Health Association (PUBLISHER • US)
DOI10.2105/ajph.2017.304260
PMID29470110
OpenAlexW2788986289
LanguageEN
Citations received6
References cited8

Objectives. To estimate birth reduction potentially in response to Zika virus–associated microcephaly among the 36 largest Brazilian cities. Methods. We analyzed the number of live births per month on the basis of information on approximately 8.2 million births from all of Brazil’s state capitals and cities that had more than 10 000 annual births. Results. In the second half of 2016, the live birth rate was reduced by 7.78% (95% confidence interval [CI] = 6.64%, 8.89%; P 1 case per 1000 live births), the reduction in the live birth rate was 10.84% (95% CI = 8.58%, 13.04%). Conclusions. The birth rate in the largest Brazilian cities during the second half of 2016 was significantly reduced, which is potentially the effect of a birth control recommendation prompted by an epidemiological alert. Public Health Implications. The effects of population-based interventions should be weighed by considering the actual risk of disease and the sociodemographic impact of strategies such as birth control

Biology · Birth rate · Confidence interval · Environmental health · Fertility · Live birth · Microcephaly · Population · Pregnancy · Public health · Virus · Zika virus · COVID-19 epidemiological studies · Demography · Epidemiology · Infectious Encephalopathies and Encephalitis · Internal Medicine · Medicine · Mosquito-borne diseases and control · Virology · Pediatrics

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