title: Hepatitis A in Poland in 2011.
abstract: OBJECTIVE
  The aim of the article is evaluation of the epidemiological situation of hepatitis A in Poland in 2011.
  
  
  METHODS
  Assessment of epidemiological situation of hepatitis A was based on results from analysis of the annual bulletins: "Infectious diseases and poisonings in Poland in 2011", "Vaccinations in Poland in 2011", reports from individual cases and epidemiological investigations of outbreaks linked to hepatitis A, sent by Epidemiological Departments in Sanitary Epidemiological Stations to the Department of Epidemiology at NIZP-PZH.
  
  
  RESULTS
  In Poland, 65 cases of hepatitis A were registered in 2011. The incidence of 0.17/100,000 was lower them in the previous year. The incidence of hepatitis A ranged from 0.07/100,000 in Dolnoślaskie province to 0.52/100,000 in Slaskie province. The incidence of hepatitis A in men (0.19) was higher than in woman (0.15). Imported cases constituted 49.2% (32 cases) of the overall number of cases of hepatitis A. There were two outbreaks of hepatitis A involving 7 cases registered in 2011.
  
  
  CONCLUSIONS
  In the year 2011, a decrease in the number of cases was noted in comparison with the median of years 2008 - 2010. Despite the fact that the current epidemiological situation of hepatitis A in Poland is good, the disease still requires monitoring and analysis within the framework of epidemiological surveillance system.
authors.affiliation: Department of Epidemiology, National Institute of Public Health National Institute of Hygiene, Warsaw, Poland. abaumann@pzh.gov.pl
authors.forename: Anna
authors.initials: A
authors.lastname: Baumann-Popczyk
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control / Q000706:statistics & numerical data*; D005260:Female; D006293:Health Promotion / Q000458:organization & administration; D006506:Hepatitis A / Q000453:epidemiology* / Q000517:prevention & control*; D022362:Hepatitis A Vaccines / Q000008:administration & dosage*; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011044:Poland / Q000453:epidemiology; D012042:Registries / Q000706:statistics & numerical data*; D012307:Risk Factors; D012424:Rural Population / Q000706:statistics & numerical data; D014505:Urban Population / Q000706:statistics & numerical data
chemical_list: D022362:Hepatitis A Vaccines