title: [Influenza in Poland in 2009].
abstract: A total number of 1,081,974 cases of influenza and influenza-like illness were registered in Poland in 2009 (incidence 2,835.9 per 100,000 population). It was nearly 5 times more than in 2008. The impact on increase of the number of reported cases have had two factors: the pandemic of influenza caused by virus A(H1N1)v, and increasing of the surveillance sensitivity. 3,177 (0.29%) cases was laboratory confirmed. In the area of particular regions incidence ranged from 805.2 in świetokrzyskie voivodeship to 5,257.9 in warmifisko-mazurskie voivodeship. Nearly 37% of cases were children under 15 years. The incidence in this age group was 6,851.2 (from 2,010.1 in Swietokrzyskie voivodeship, to 13,291.6 in warmińsko-mazurskie voivodeship). The highest reported incidence was observed in age group 5-14 years (7,135.2). To hospitals, mainly for epidemiological reasons, 8,944 people were sent (0.83% all cases). According to Central Statistical Office data, there were 87 death cases, including 8 (9.2%) children in the age of 15. 70.1% of deaths were registered as cases caused by identified influenza virus.
authors.affiliation: Zaklad Epidemiologii Narodowego Instytutu Zdrowia Publicznego--Państwowego Zakładu Higieny w Warszawie. mpc@pzh.gov.pl
authors.forename: Mirosław P
authors.initials: MP
authors.lastname: Czarkowski
authors.forename: Magdalena
authors.initials: M
authors.lastname: Romanowska
authors.forename: Ewa
authors.initials: E
authors.lastname: Staszewska
authors.forename: Ilona
authors.initials: I
authors.lastname: Stefańska
authors.forename: Stefan
authors.initials: S
authors.lastname: Donevski
authors.forename: Lidia B
authors.initials: LB
authors.lastname: Brydak
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D015994:Incidence; D007223:Infant; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification; D053122:Influenza A Virus, H3N2 Subtype / Q000302:isolation & purification; D007252:Influenza Vaccines / Q000008:administration & dosage; D007251:Influenza, Human / Q000175:diagnosis* / Q000453:epidemiology* / Q000517:prevention & control / Q000821:virology; D029521:Alphainfluenzavirus / Q000302:isolation & purification; D008297:Male; D032541:Mass Vaccination / Q000706:statistics & numerical data; D008875:Middle Aged; D011044:Poland / Q000453:epidemiology; D012042:Registries / Q000706:statistics & numerical data*; D012424:Rural Population / Q000706:statistics & numerical data; D014505:Urban Population / Q000706:statistics & numerical data; D055815:Young Adult
chemical_list: D007252:Influenza Vaccines