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Risk Factors for Immunization - Influenza, Adults

Risk Factors

Risk factors for serious complications of influenza include: * Older age (50+) * Residence in a nursing home and other chronic care facility * Chronic pulmonary or cardiovascular disorders, including asthma * Lowered ability to fight infections because of a disease they are born with, infection with Human Immunodeficiency Virus (HIV), treatment with medications such as long-term steroids, and/or treatment for cancer with x-rays or medications * Chronic illnesses (including diabetes mellitus), kidney diseases, and blood cell diseases such as sickle cell anemia * Pregnancy in the second or third trimester during the flu season (December-March) * Long-term aspirin therapy and therefore possibly at risk for developing Reye syndrome after influenza * Very young age (6-23 months)

Related Risk Factors Indicators:

The information provided above is from the Department of Health's Center for Health Data IBIS-PH web site ( The information published on this website may be reproduced without permission. Please use the following citation: " Retrieved Fri, 19 October 2018 0:27:59 from Department of Health, Center for Health Data, Indicator-Based Information System for Public Health Web site: ".

Content updated: Wed, 15 Nov 2017 14:16:50 MST