- Received immunization with attenuated live vaccines =< 7 days prior to study entry or during study period; NOTE: Close contact with those who have received attenuated live vaccines should be avoided during treatment with sirolimus; examples of live vaccines include intranasal influenza, measles, mumps, rubella, oral polio, Bacillus Calmette-Guérin (BCG), yellow fever, varicella and typhoid (TY)21a typhoid vaccines