You are more likely to get serious flu-related complications and should get a flu vaccine if you have:
- Asthma (even if it's mild or controlled) or other lung disease
- Brain, spinal cord, or nerve disorders or injury such as stroke, epilepsy, mental retardation, muscular dystrophy, cerebral palsy, or spinal cord injury
- Diabetes and other endocrine disorders
- Epilepsy
- Kidney disease or damage
- Heart disease
- Liver disease or damage
- Metabolic disorders (such as inherited metabolic disorders and mitochondrial disorders)
- Morbidly obese (BMI of 40 or greater)
- Sickle cell disease and other blood disorders
- A weakened immune system due to certain diseases or medical treatments