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.