[Effect of systematic vaccination on the epidemiology of urlian parotiditis in the population of Bucharest].

Objective: describe the mumps evolution during the time period that immediately followed the introduction of routine mumps vaccine into the Bucharest municipality's population.

Methods: observational, descriptive, and retrospective study. The temporal frequencies were taken from official reports of clinically confirmed mumps cases with annually sequence during the 1951-2001 period and monthly sequence during the 2002-2009 period of time respectively.

[Prevalence of risk factors and mechanisms of transmission of acute viral hepatitis type B and C in Bucharest municipality: 2001-2008].

Objective: Analysis of risk factors for achieving clinically overt hepatitis B and hepatitis C in the population of Bucharest municipality.

Methods: retrospective and descriptive study on hospital patients cohort. Cases - in the study have been enrolled all acute viral hepatitis B and C confirmed by the two infectious diseases university clinics of Bucharest municipality, during the time interval 2001-2008, among the residents of the municipality.

[Nature and severity of the complications in the measles cases hospitalized during the epidemics in 2005-2006 in Bucharest].

Aim: analysis of the nature and the severity of medical complications of the hospitalized cases associated to an measles outbreak which appeared after a period of consistent interruption of measles virus circulation in the Bucharest municipality population.

Methods: analytical study on the cohort of measles cases hospitalized during the main period of the 2005-2006 outbreak from Bucharest municipality: data source--medical records of the cases enrolled in the study. Enrolled cases were allocated to 5 classes, based on the first two discharging diagnosis.