[Seroprevalence of varicella-zoster virus antibodies after the recent introduction of the universal childhood immunisation schedule in the Community of Madrid].

Background And Objective: In November 2006, the Community of Madrid included the chickenpox vaccine into the immunisation schedule for children from 15 months of age. This was withdrawn in January 2014. Seroprevalence of antibodies to the virus is estimated after the first 2-3 years from the inclusion of the vaccine, and as well as its evolution since 1999.

Prevalence of hepatitis C antibodies in the population aged 16-80 years in the Community of Madrid 2008-2009.

Together with AIDS, the burden of hepatitis C virus (HCV) in Spain heads the list of communicable diseases in terms of impact on public health. The aim of this study was to estimate the prevalence of HCV antibodies in the Community of Madrid, assess changes in recent years and analyse associated risk factors. Descriptive cross-sectional study of a target population consisting of Community of Madrid residents aged 16-80 years old.

[Incidence of pneumococcal disease in the autonomous Region of Madrid (1998--2006)].

Background And Objective: The availability of antipneumococcal vaccines makes it necessary to go deeply into the knowledge of pneumococcal disease. This study aims at describing the magnitude and incidence of pneumococcal disease in the Region of Madrid from 1998 to 2006.

Material And Method: Retrospective study of Computerized Hospital Discharge Data registered from 1998 to 2006.

Varicella and herpes zoster in Madrid, based on the Sentinel General Practitioner Network: 1997-2004.

Background: Varicella (chickenpox) is the primary disease caused by varicella-zoster virus. It is extremely contagious and is frequent in children. Indeed, in the absence of vaccination, a high proportion of the population is liable to contract it.