Table 3.

ACIP recommendation for categories of immunosuppression therapy dosing

Immunosuppressive therapy	Definition of ‘high-level immunosuppression’
Corticosteroids	≥20 mg/day for ≥14 days
Azathioprine	>3.0 mg/kg/day
Methotrexate	>0.4 mg/kg/week
6-Mercaptopurine	>1.5 mg/kg/day
TNF-α inhibitors	Any dose
Rituximab	Any dose

ACIP, Advisory Committee on Immunization Practices; TNF-α, tumour necrosis factor alpha.