Who is at higher risk?

Anybody can get the flu.
However, some people are at higher
risk of developing complications
than others, including:1


People with chronic medical conditions may also be at risk of developing complications from the flu.1

  • Neurological and neurodevelopmental conditions
  • Chronic heart or lung disease
  • Asthma
  • Long-term aspirin therapy (younger than 19 years of age)
  • Extreme obesity (body mass index [BMI] of 40 or more)
  • Blood / endocrine / kidney / liver / metabolic disorders
  • Weakened immune system due to disease or medication


  1.  Centers for Disease Control and Prevention (CDC). People at High Risk of Developing Serious Flu-Related Complications. Available from:  www.cdc.gov/flu/about/disease/high_risk.htm. Last accessed: August 2020.