Asthma
Cancer
Cerebrovascular disease
Chronic kidney disease
Bronchiectasi
COPD
Interstitial lung disease
Pulmonary embolism
Pulmonary hypertension
Cirrhosis
Non-alcoholic fatty liver disease
Alcoholic liver disease
Autoimmune hepatitis
Cystic fibrosis
Type 1 or Type 2 Diabetes
Down Syndrome or other disabilities
Epilepsy
Heart conditions (such as heart failure, coronary artery disease, or cardiomyopathy)
Hemophilia
HIV
Mood disorders (such as depression)
Schizophrenia spectrum disorders
Dementia
Parkinson's Disease
Overweight (BMI ≥ 25kg/m²)
Physical inactivity
Pregnancy or recent pregnancy
Primary immunodeficiencies
Sickle cell disease
Former or current smoker
Solid organ or blood stem cell transplantation
Substance use disorders
Use of corticosteroids or other immunosuppressive medications
Tuberculosis