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      Early Growth and Neurologic Outcomes of Infants with Probable Congenital Zika Virus Syndrome

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          Abstract

          We report the early growth and neurologic findings of 48 infants in Brazil diagnosed with probable congenital Zika virus syndrome and followed to age 1–8 months. Most of these infants had microcephaly (86.7%) and craniofacial disproportion (95.8%). The clinical pattern included poor head growth with increasingly negative z-scores, pyramidal/extrapyramidal symptoms, and epilepsy.

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          Most cited references4

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          First report of autochthonous transmission of Zika virus in Brazil

          In the early 2015, several cases of patients presenting symptoms of mild fever, rash, conjunctivitis and arthralgia were reported in the northeastern Brazil. Although all patients lived in a dengue endemic area, molecular and serological diagnosis for dengue resulted negative. Chikungunya virus infection was also discarded. Subsequently, Zika virus (ZIKV) was detected by reverse transcription-polymerase chain reaction from the sera of eight patients and the result was confirmed by DNA sequencing. Phylogenetic analysis suggests that the ZIKV identified belongs to the Asian clade. This is the first report of ZIKV infection in Brazil.
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            Congenital Zika virus syndrome in Brazil: a case series of the first 1501 livebirths with complete investigation.

            In November, 2015, an epidemic of microcephaly was reported in Brazil, which was later attributed to congenital Zika virus infection. 7830 suspected cases had been reported to the Brazilian Ministry of Health by June 4, 2016, but little is known about their characteristics. We aimed to describe these newborn babies in terms of clinical findings, anthropometry, and survival.
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              Notes from the Field: Evidence of Zika Virus Infection in Brain and Placental Tissues from Two Congenitally Infected Newborns and Two Fetal Losses--Brazil, 2015.

              Zika virus is a mosquito-borne flavivirus that is related to dengue virus and transmitted primarily by Aedes aegypti mosquitoes, with humans acting as the principal amplifying host during outbreaks. Zika virus was first reported in Brazil in May 2015 (1). By February 9, 2016, local transmission of infection had been reported in 26 countries or territories in the Americas.* Infection is usually asymptomatic, and, when symptoms are present, typically results in mild and self-limited illness with symptoms including fever, rash, arthralgia, and conjunctivitis. However, a surge in the number of children born with microcephaly was noted in regions of Brazil with a high prevalence of suspected Zika virus disease cases. More than 4,700 suspected cases of microcephaly were reported from mid-2015 through January 2016, although additional investigations might eventually result in a revised lower number (2). In response, the Brazil Ministry of Health established a task force to further investigate possible connections between the virus and brain anomalies in infants (3).
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                Author and article information

                Journal
                Emerg Infect Dis
                Emerging Infect. Dis
                EID
                Emerging Infectious Diseases
                Centers for Disease Control and Prevention
                1080-6040
                1080-6059
                November 2016
                : 22
                : 11
                : 1953-1956
                Affiliations
                [1]Federal University of Maranhão, Sao Luis, Maranhão, Brazil (A.A.M. Silva, M.R.C. Ribeiro, M.R.F.C. Branco, R.C.S. Queiroz, M.J.T. Pacheco, V.M.F. Simões, F. Lamy-Filho, Z.C. Lamy, M.T.S.S.B. Alves);
                [2]State Department of Health of Maranhão, Sao Luis, Maranhão (J.S.S. Ganz, P.S. Sousa, M.J.R. Doriqui, F.R.V. da Costa, F.S. Silva, M.A.B. Pacheco)
                Author notes
                Address for correspondence: Antonio Augusto Moura da Silva, Programa de Pos-Graduacao em Saude Coletiva, Universidade Federal do Maranhão, Rua Barao de Itapary, 155, Centro, 65020-070 São Luís, Maranhão, Brasil; email: aamouradasilva@ 123456gmail.com
                Article
                16-0956
                10.3201/eid2211.160956
                5088045
                27767931
                4d4c1c83-4544-470d-9923-6c58c23bc511
                History
                Categories
                Dispatch
                Dispatch
                Early Growth and Neurologic Outcomes of Infants with Probable Congenital Zika Virus Syndrome

                Infectious disease & Microbiology
                zika virus infection,growth,birthweight,epilepsy,microcephaly,congenital abnormalities,neurologic,outcomes,infants,viruses

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