Table 1.

High Risk Populations

High Risk*
    All persons 65 years of age or over
    All residents of long-term care facilities
    All persons over 6 months old with chronic illness, such as:
        Disorders of pulmonary or cardiovascular systems, eg, asthma
        Chronic metabolic diseases, eg, diabetes mellitus
        Renal dysfunction
        Hemoglobinopathies
        Immunosuppression, eg, HIV disease
    Children 6 months to 18 years on long-term aspirin therapy
    Healthy children 6 to 23 months old
    Household contacts of children under 2 years old
    Women who will be in their second or third trimester during influenza season
    Health care workers
    Household contacts of other high-risk persons
Average risk
    All other groups
    Anyone without contraindications wishing to decrease their probability of infection
Vaccine contraindications:
    Severe allergy to any vaccine component
        Egg
        Thimerosal
        Prior vaccine administration
    Moderate to severe acute febrile illness
  • * Current CDC recommendations (2005) advise immunization of all pregnant women, regardless of trimester, as well as conditions such as neuromuscular disorders that can compromise respiratory function or increase the risk for aspiration.