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1.
MMWR Morb Mortal Wkly Rep ; 65(9): 242-7, 2016 Mar 11.
Artigo em Inglês | MEDLINE | ID: mdl-26963593

RESUMO

Widespread transmission of Zika virus by Aedes mosquitoes has been recognized in Brazil since late 2014, and in October 2015, an increase in the number of reported cases of microcephaly was reported to the Brazil Ministry of Health.* By January 2016, a total of 3,530 suspected microcephaly cases had been reported, many of which occurred in infants born to women who lived in or had visited areas where Zika virus transmission was occurring. Microcephaly surveillance was enhanced in late 2015 by implementing a more sensitive case definition. Based on the peak number of reported cases of microcephaly, and assuming an average estimated pregnancy duration of 38 weeks in Brazil (1), the first trimester of pregnancy coincided with reports of cases of febrile rash illness compatible with Zika virus disease in pregnant women in Bahia, Paraíba, and Pernambuco states, supporting an association between Zika virus infection during early pregnancy and the occurrence of microcephaly. Pregnant women in areas where Zika virus transmission is occurring should take steps to avoid mosquito bites. Additional studies are needed to further elucidate the relationship between Zika virus infection in pregnancy and microcephaly.


Assuntos
Microcefalia/epidemiologia , Complicações Infecciosas na Gravidez/virologia , Primeiro Trimestre da Gravidez , Características de Residência/estatística & dados numéricos , Infecção por Zika virus/transmissão , Brasil/epidemiologia , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Gravidez , Complicações Infecciosas na Gravidez/epidemiologia , Prevalência , Infecção por Zika virus/epidemiologia
2.
Rev Saude Publica ; 41(5): 711-8, 2007 Oct.
Artigo em Português | MEDLINE | ID: mdl-17923891

RESUMO

OBJECTIVE: To assess risk factors for breastfeeding discontinuation and weaning among children less than one year old. METHODS: A cross-sectional study was carried out in children under one year of age brought by their caregivers to immunization units in the city of Cuiabá, Midwestern Brazil, in 2004. Sampling first comprised drawing immunization units and then children in each unit were systematically drawn. Data was collected through semi-structured questionnaires applied to children's caregivers investigating social and demographic variables, as well as variables related to birth and maternal characteristics, pacifier use and feeding on the first day at home. Descriptive statistical and logistic regression analyses of risk factors by age group were conducted and odds ratios and 95% confidence intervals were estimated. RESULTS: A total of 920 children under one year of age were studied, of which 205 were less than 120 days old and 275 were less than 180 days old. Pacifier use, offering tea to children on their first day at home, and being a child of a mother with first or second grade schooling or primapara posed an increased risk for not being on exclusive breastfeeding at the age of 120 days. All these factors were also significantly associated in those under 180 days old, except tea offering, which was not investigated for this age group. Among children less than one year old, pacifier use was the only variable that remained significant. CONCLUSIONS: Social and cultural factors were determinants of breastfeeding status. Maternal education and awareness are crucial to prevent practices that can negatively affect breastfeeding.


Assuntos
Aleitamento Materno/epidemiologia , Desmame , Adulto , Brasil/epidemiologia , Criança , Pré-Escolar , Escolaridade , Métodos Epidemiológicos , Feminino , Humanos , Lactente , Fenômenos Fisiológicos da Nutrição do Lactente , Masculino , Chupetas/efeitos adversos , Chupetas/estatística & dados numéricos , Fatores Socioeconômicos , Chá/efeitos adversos , Fatores de Tempo
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