Table 2. Recommended timing of live-attenuated vaccination before and after administration of Kawasaki disease treatment [5,6,911,31,32]

Agent Dose Vaccination before starting the agent Vaccination after discontinuation of the agent
IVIg 2 g/kg Live vaccines should be given ≥ 2 weeks before IVIg infusion whenever possible. Live vaccines should be deferred for 6–11 months after IVIg.
 Second dose of IVIg 4 g/kg - Live vaccines should be deferred for 9–12 months after completion.
Steroid
 High doses of systemic corticosteroids given daily for 14 days or more ≥ 2 mg/kg/day of prednisone or ≥ 20 mg/day daily for 14 days or more Complete all live vaccines ≥ 4 weeks before starting high-dose steroid therapy. Live vaccines should be administered ≥ 4 weeks after discontinuation of the treatment.
 High doses of systemic corticosteroids given daily or on alternate days for fewer than 14 days ≥ 2 mg/kg/day of prednisone or ≥ 20 mg/day daily or on alternate days for fewer than 14 days Preferably complete live vaccines ≥ 2 weeks before therapy. Live vaccines may be given after discontinuation of the treatment.
 Low or moderate doses of systemic corticosteroids given daily or on alternate days < 2 mg/kg/day of prednisone or < 20 mg/day daily or on alternate days Live vaccines can be given during treatment. Live vaccines can be given during treatment.
Infliximab 10 mg/kg Live vaccines should be given ≥ 4 weeks before starting treatment. Live vaccines can be given 6 months after the treatment.
Etanercept 0.8 mg/kg Live vaccines should be given ≥ 4 weeks before starting treatment. Live vaccines should be deferred for ≥ 3 months (preferably 6 months) after discontinuation of the treatment.
Anakinra 10 mg/kg per d Live vaccines should be given ≥ 4 weeks before starting treatment. Live vaccines should be deferred for ≥ 3 months (preferably 6 months) after discontinuation of the treatment.
IVIg: intravenous immunoglobulin.