Influenza is a very important public health subject. Yearly influenza related deaths range from 3,000 to 49,000 and more than 200,000 people are hospitalized each year related with seasonal influenza contagions. Immunization is the best effective routine for avoiding infection from influenza and potential hospitalization or death. The immunization best practices suggest that all persons ≥ 6 months of age get annual influenza vaccination and all health care workers is a specific concentration of references by the Centers for Disease Control and Prevention (CDC), and other health care and public health agencies. Even with the mandatory policies, influenza immunization rates for healthcare workers in the United States stay below the objective
