OBJECTIVE: To analyze the profile of the individuals affected by the Influenza A virus (H1N1), and the impact of vaccination on priority groups for vaccination. METHODS: An ecological, observational, retrospective study, with a population of individuals living in the city of Maringá-PR who were hospitalized for Influenza A between 2009 and 2010. RESULTS: In 2009, there were 614 hospitalizations due to influenza A virus infection in Maringá-PR. The availability of the vaccine led to a decrease in the number of affected to 169 in 2010, with the vaccine impact occurring in the following population groups: pregnant women, people with chronic illnesses and adults 20 to 39 years. We identified the n CONCLUSION: eed to extend the age range for vaccination for children aged 2 to 4 years and to complete vaccination forms of vaccinated individuals and groups with greater rigor.
Influenza A vírus; Epidemiology; Nursing; Influenza vaccines
