Table 2 Groups at high risk for influenza complications*
From: Influenza virus-related critical illness: prevention, diagnosis, treatment
Risk factors for severe influenza outcomes | |
|---|---|
• Age < 5 years, especially those < 2 years | |
• Age > 65 years | |
• Pregnant women | |
• Extreme obesity (BMI > 40 kg/m2) | |
• Native Americans/Alaskan Natives (may also apply to indigenous people from other countries) | |
• Current or past tobacco use | |
• Children and adolescents receiving aspirin or salicylate-containing medications who might be at risk for Reye syndrome | |
• Underlying chronic medical conditions: | |
 ○ Pulmonary | |
 ○ Cardiovascular | |
 ○ Renal | |
 ○ Hepatic | |
 ○ Neurologic | |
 ○ Hematologic | |
 ○ Metabolic | |
 ○ Immunocompromised state |