Vaccination with live viruses should be postponed in infants exposed to infliximab in utero, until serum levels are undetectable which may require more than 6 months.

母亲孕期接受英夫利昔单抗治疗的婴儿，在接受活疫苗免疫时应延期，直到至少6个月血清中均检测不到英夫利昔单抗。