Categories and specific indications
Occupation
	Health care worker
Medical conditions
	Alcoholism and alcoholic cirrhosis
	Long-term aspirin therapy in children less than 18 years of age (risk associated with Reye's syndrome)
	Cardiac disease that alters or potentially alters hemodynamics
	Diabetes mellitus
	Hemoglobinopathies
	Immunocompromised patients (congenital immunodeficiency, malignancy, HIV, transplantation, immunosuppressive therapy)*
	Chronic metabolic diseases that increase the likelihood that infections will be more severe
	Pregnancy in women who have medical conditions that increase their risk for complications from influenza, regardless of trimester
	Pregnancy beyond the first trimester during the influenza season
	Chronic pulmonary disease, including asthma and chronic obstructive pulmonary disease
	Chronic renal disease
Close contacts at high risk
	Household contacts of persons at high risk for influenza
	Residents of institutions for developmentally disabled or mentally handicapped persons
	Residents of nursing homes and chronic care facilities