Immunization Status of Young People Attending a Youth Clinic in Geneva, Switzerland

Abstract

Adolescent vaccination coverage is very variable in European countries and data are scarce. The aim of this study was to assess immunization status and analyze potential variations according to sociodemographic variables in a youth clinic in Geneva, Switzerland. Immunization status was assessed retrospectively: Tetanus (number of doses or in absence of data tetanus antibodies) and measles as indicators of childhood coverage as well as hepatitis B and human papillomavirus. All new patients (N = 390) of Geneva University Hospital's youth clinic were included between January 2010 and June 2011. Vaccine coverage was low for all vaccines regardless of sex or origin. 89 % of young people tested (mostly recent immigrants with no available data) had tetanus antibodies indicating adequate childhood immunization but hepatitis B and HPV coverage was low especially in recent immigrants. Systematic assessment allows better adolescent vaccine coverage and can improve safety by avoiding unnecessary dosis.

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