For each question answered yes, score 2 points:
13. Are you over 65 years of age?
14. Do you have any chronic conditions, such as diabetes, asthma or other chronic lung disease, autoimmune disease, heart disease, cancer or chronic kidney disease?
15. Are you on any immuno-suppressive medication (Prednisone, Biologics, chemotherapy)?
16. Is your vitamin D level low, or you don't know?
17. Is your C-reactive protein elevated, or you don't know?
18. Do you carry extra fat around your belly?