Getting treatment that compromises (weakens) your immune system (for example, chemotherapy, medication for transplants, corticosteroids, TNF inhibitors)
Having a condition that compromises (weakens) your immune system (for example, lupus, rheumatoid arthritis, immunodeficiency disorder)
Having a chronic (long-lasting) health condition (for example, diabetes, emphysema, asthma, heart condition, COPD)
Regularly going to a hospital or health care setting for a treatment (for example, dialysis, surgery, cancer treatment)
