Vaccines   

Is there a role for booster vaccination and if so, how do you approach the timing when a patient is already on a biologic for immunosuppression? 

Specifically for a male in his 20s.

If a deficiency is present, do you consider IVIG to treat non-infectious symptoms such as skin rash, arthritis or hematological abnormalities? 

E.g., inflammatory polyarthritis or inflammatory myopathy with onset within 2 weeks of documented COVID infection