Asplenia
Chronic kidney disease
COPD
Cirrhosis
Diabetes mellitus
HIV/AIDS
Hyperlipidemia
Hypertension
Insomnia
Malignancy
Obesity and weight loss
Sickle cell crisis
Tobacco abuse
Traumatic brain injury
Tuberculosis
Health maintenance
Abdominal aortic aneurysm
Latent tuberculosis
Osteoporosis