Use of any live vaccines within weeks of initiation of study treatment Use of any live vaccines against infectious diseases (e.g. influenza, varicella, pneumococcus) within weeks of initiation of study treatment. Use of live vaccines within four weeks of starting abatacept Vaccination with live attenuated vaccines within weeks of first study agent administration Use of any live vaccines against infectious diseases within weeks of initiation of study treatment. Administration of live vaccines within days prior to enrollment Received live attenuated vaccines within days of first dose. Receipt of live-virus vaccines within days prior to the initiation of study treatment or need for live-virus vaccines at any time during study treatment Vaccine administration of live vaccines within days of enrollment Receipt of live-virus vaccines within days prior to the initiation of study treatment or need for live-virus vaccines at any time during study treatment Current or recent treatment with therapeutic antibiotics, live attenuated vaccines or systemic immunostimulatory/immunosuppresive medication Vaccination with live attenuated vaccines within weeks of first study agent administration Receipt of live-virus vaccines within days prior to the initiation of study treatment Use of non-oncology vaccines containing live virus for prevention of infectious diseases within weeks prior to study drug Live vaccines within days prior to study pre-registration Receipt of live-virus vaccines within days prior to the initiation of study treatment or need for live-virus vaccines at any time during study treatment Live vaccines are not permitted within days of study registration Newly diagnosed MCL: Major surgery within weeks or vaccination with live attenuated vaccines within weeks of the first dose of study drug Treatment with a live virus vaccine during the months prior to baseline visit; no live vaccines will be allowed throughout the course of this study Use of any live vaccines against infectious diseases within weeks of initiation of study treatment. Non-live vaccination (eg, influenza) are permitted anytime during treatment Live-virus vaccines =< days prior to registration Previous treatment with radiotherapy, or immunotherapeutic agents, or receipt of live vaccines in the weeks prior to study drug administration; Use of any live vaccines within weeks of initiation of study treatment. Administration of live attenuated vaccines within weeks of study enrollment. Vaccination with live attenuated vaccines within weeks of first study agent administration TREATMENT: Patients who have received live attenuated vaccines within week of the start are ineligible to receive everolimus Patients who have received a live, attenuated vaccines within weeks of first dose of drug Vaccination with live, attenuated vaccines within weeks of first dose of study drug received live vaccines. Participants in Phase b Stage Only: Vaccination with live vaccines within months before Cycle , Day Administration of live attenuated vaccines within eight weeks of start of study treatment (day -) and throughout the study Receipt of live-virus vaccines within days prior to the initiation of study treatment or need for live-virus vaccines at any time during study treatment Administration of live vaccines =< days prior to registration; note: patients may not receive any viral immunizations during the study and for days after the last dose of Reolysin Patients who have received live attenuated vaccines within week of start of everolimus and during the study Use of live or live attenuated vaccines within days prior to randomization Receipt of live-virus vaccines within days prior to the initiation of study treatment or need for live-virus vaccines at any time during study treatment Patients who received live vaccines or who have close contact with people who have received live vaccines within days of day of study treatment Receipt of live vaccines against infectious diseases within days; Live or attenuated vaccines (other than experimental cancer vaccine therapy) within days prior to receiving the first dose of MEDI- Receipt of live vaccines with weeks ( days) of study Exposure to oral or IV antibiotics within weeks or live attenuated vaccines within weeks prior to randomization Vaccination with live, attenuated vaccines within weeks of first dose of this study Patients who have received vaccination with live attenuated vaccines within months prior to registration are not eligible Live attenuated vaccines Live attenuated vaccines RECIPIENT: Live attenuated vaccines Live attenuated vaccines within days prior to leukapheresis. Vaccination with live attenuated vaccines within weeks of study agent administration Subjects must not have received a live attenuated vaccine within days before the first dose of investigational agent, and subjects, if enrolled, should not receive live vaccines during the study or for days after the last dose of investigational agent. Use of any live vaccines against infectious diseases within weeks of initiation of study treatment Recent receipt of live attenuated vaccines. Received live vaccines within days prior to enrollment