*Examples of chronic health conditions include:
- Asthma
- Neurological and neurodevelopmental conditions
- Heart disease or had a stroke
- Endocrine disorders (e.g., diabetes)
- Weakened immune system due to disease or medication (e.g., people with HIV or AIDS, or cancer, or those on chronic steroids)
- People younger than 19 years old on long-term aspirin therapy
- People with extreme obesity (BMI of 40 or more)