Introduction. Vaccination against hepatitis B Virus (HBV) in newborns is crucial for the prevention of perinatal transmission. Objective. To determine the individual and institutional factors associated with vaccine for HBV in newborns in the first 12 hours and 24 hours of life. Methods. A cross-sectional, multicenter-design study was conducted in high level public and private hospitals in Lima Metropolitana and Callao. Information on vaccination was obtained through consultations with parents and review of health service reports. Individual variables of the newborns and their mothers were obtained from the medical records of the newborns. Institutional data were collected from immediate care records and from health personnel responsible for the immunization program. Results. The study was conducted in 10 health facilities, including 777 newborns. In the multilevel analysis, the longest ...

El síndrome de Guillain Barré es una enfermedad derivada del compromiso en las neuronas del sistema nervioso periférico por una respuesta descontrolada del sistema inmune que conduce daño axonal y/o desmielinización. El objetivo de este reporte fue describir los 10 primeros casos sospechosos de Síndrome de Guillain Barré en Piura. Se logró identificar la presencia de Campylobacter jejuni en las muestras de heces del 80% de los pacientes reportados. Es muy importante reconocer rápida y oportunamente al paciente con diagnóstico sospechoso de Guillain Barré, y realizar los estudios necesarios en un brote para identificar los agentes desencadenantes del cuadro.