Mumps in Poland in 2011.

Background: In 2011, similarly to previous years a decline was observed in the number of recorded cases of mumps. This favourable epidemiological situation is a result of mumps vaccination program, which from 2003 became mandatory given as two dose schemes with MMR vaccine (mumps, measles, and rubella).

Objective: The aim of this work was to assess mumps epidemiological situation in Poland in 2011, in comparison to previous years.

Methods: The assessment of mumps epidemiological situation in Poland in 2011 was conducted by using the results of analyzed data for infectious diseases published in a yearly bulletin "Infectious diseases and poisoning in Poland in 2011" and in yearly bulletin "Preventative immunisation in Poland in 2011" Czarkowski MP and in, Warsaw, NIZP- PZH and GIS. Also used "Case definitions for infectious disease developed for epidemiological surveillance in the years 2009-2011 " (Department of Epidemiology, NIZP-PZH), as well as Preventative vaccination program 2011.

Results: In 2011 there were 2585 reported cases of mumps. Incidence of mumps was lower 6.7/100 in comparison with 2010 (7.2/100), as well as almost twice lower than a median for the years 2005-2009. The highest incidents rate of mumps 52.0/100,000 was recorded among children at the age 5-9 years of age. Incidence in women was lower (5.6) than in men (7.9). In 2011, 24 people were hospitalized due to mumps.

Conclusions: Systematic implementation of vaccination program against mumps as according to Inoculation Calendar has resulted in a significant decline in the number of reported cases.