Congenital multiple arthrogryposis in bovine / Artrogripose congênita múltipla em bovino

This report describes an anal atresia, anatomical urethra alteration (slightly caudal to the udder), thickened joints, and changes in the pelvis in a newborn Holstein cow. Visualization of the final portion of the rectum was not possible by perineal access and laparotomy through the right flank was performed in order for abdominal exploration and colostomy attempt. During the surgical procedure visceral rupture and malformations incompatible with life were observed, so surgeons opted for euthanasia and necropsy. Alterations were confirmed in the genitourinary and gastrointestinal tract. The non-formation of the anus caused dilation of the distal portion of the rectum with fecal content retention, which was drained to the body of the uterus, with the presence of meconium. This amount of anatomical and clinical changes were diagnosed as congenital multiple arthrogryposis.(AU)

Este relato de caso descreve atresia anal, alteração anatômica da uretra (inserida caudalmente ao úbere), articulações espessadas e alterações na pelve em um neonato bovino da raça Holandesa. A visualização da porção final do reto não foi possível pelo acesso perineal, e laparotomia através do flanco direito foi feita para exploração abdominal e realização da colostomia. Durante o procedimento cirúrgico, foram observadas ruptura visceral e malformações incompatíveis com a vida, então os cirurgiões optaram pela eutanásia e necropsia. Alterações foram confirmadas nos tratos geniturinário e gastrointestinal. A não formação do ânus causou dilatação da porção distal do reto com retenção fecal, desviando ao corpo do útero, o qual possibilitou a entrada de mecônio nesse compartimento, além de outras alterações devido à ingestão e alteração no trânsito gastrointestinal. Essa quantidade de alterações anatômicas e clínicas foi diagnosticada como artrogripose congênita múltipla.(AU)

Zika vírus in the americas: early epidemiological and genetic findings

Brazil has experienced an unprecedented epidemic of Zika virus (ZIKV), with ~30,000 cases reported to date. ZIKV was first detected in Brazil in May 2015, and cases of microcephaly potentially associated with ZIKV infection were identified in November 2015. We performed next-generation sequencing to generate seven Brazilian ZIKV genomes sampled from four self-limited cases, one blood donor, one fatal adult case, and one newborn with microcephaly and congenital malformations. Results of phylogenetic and molecular clock analyses show a single introduction of ZIKV into the Americas, which we estimated to have occurred between May and December 2013, more than 12 months before the detection of ZIKV in Brazil. The estimated date of origin coincides with an increase in air passengers to Brazil from ZIKV-endemic areas, as well as with reported outbreaks in the Pacific Islands. ZIKV genomes from Brazil are phylogenetically interspersed with those from other South American and Caribbean countries. Mapping mutations onto existing structural models revealed the context of viral amino acid changes present in the outbreak lineage; however...(AU)