ResumoObjetivos: Relatar um caso de transmissão vertical de dengue ocorrido durante epidemia de 2008 pelo vírus tipo II no Rio de Janeiro e revisar a literatura sobre transmissão vertical de dengue.Descrição: Relatamos um caso de transmissão vertical de dengue. Recém-nascido a termo do sexo feminino, peso de nascimento de 3.940 g, foi admitida na unidade de terapia intensiva neonatal com rash cutâneo, hipoatividade e febre no quinto dia de vida. O hemograma evidenciava plaquetopenia importante (38.000 plaquetas). A mãe apresentou quadro clínico compatível com dengue 3 dias antes do parto. Foram colhidos então IgM para dengue da mãe e do recém-nascido, realizados pelo método de ELISA, sendo positivos em ambos. Dengue tipo 2 foi detectado no recém-nascido através de reação em cadeia da polimerase.Comentários: Este relato enfatiza a importância do pediatra estar alerta para a possibilidade de transmissão vertical de dengue iniciando precocemente o tratamento.J Pediatr (Rio J). 2008;84(6):556-559: Gravidez, dengue, recém-nascido. AbstractObjectives: To report a case of vertical dengue infection in a newborn from Rio de Janeiro, Brazil, and to review the literature concerning this problem. Description:We report a case of vertical dengue infection.Female neonate, birth weight 3,940 g, term, was admitted to a neonatal intensive care unit on the fifth day of life with fever and erythematous rash. Her mother had had dengue fever 3 days before delivery. Her platelet count was 38,000, dropping to 15,000. She did not have any hemorrhagic episodes, including cerebral hemorrhages.Anti-dengue antibodies (IgM) were positive in the mother and infant.Dengue type 2 was detected in the infant using polymerase chain reaction. Comments:This report emphasizes that pediatricians should be aware of the possibility of vertical dengue infection so that early management can be instituted. Relato do casoRecém-nascido (RN) do sexo feminino, peso ao nascer de 3.940 g, a termo, foi admitida na unidade de terapia intensiva (UTI) neonatal com rash cutâneo, hipoatividade e febre no quinto dia de vida oriunda do alojamento conjunto. Ao ser

Objectives: To report a case of vertical dengue infection in a newborn from Rio de Janeiro, Brazil, and to review the literature concerning this problem. Description:We report a case of vertical dengue infection. Female neonate, birth weight 3,940 g, term, was admitted to a neonatal intensive care unit on the fifth day of life with fever and erythematous rash. Her mother had had dengue fever 3 days before delivery. Her platelet count was 38,000, dropping to 15,000. She did not have any hemorrhagic episodes, including cerebral hemorrhages. Anti-dengue antibodies (IgM) were positive in the mother and infant. Dengue type 2 was detected in the infant using polymerase chain reaction. Comments:This report emphasizes that pediatricians should be aware of the possibility of vertical dengue infection so that early management can be instituted.J Pediatr (Rio J). 2008;84(6):556-559: Pregnancy, dengue, neonate.