Splenic irradiation within the last 6 months History of prior or current splenectomy or splenic irradiation Splenic irradiation within 12 months prior to screening, or prior splenectomy. History of or current immunodeficiency disease, splenectomy or splenic irradiation Splenic irradiation within 3 months prior to the first dose of study drug History of or plan for splenectomy or splenic irradiation Splenic irradiation within 3 months prior to Randomization Splenic irradiation 3 months prior to enrollment. At least 6 months from prior splenic irradiation History of or current immunodeficiency disease (e.g. splenectomy or splenic irradiation) Splenic irradiation within 3 months prior to the first dose of MMB Phase 2 Part: Patients who have had prior splenectomy or have had splenic irradiation within 3 months of starting study drug Splenectomy History of splenectomy or planning to undergo splenectomy Splenectomy Prior splenectomy Patients with history of splenectomy Patients who have undergone splenectomy Splenectomy ? 90 days prior to the first dose of PRTX-100 Patients having previously undergone splenectomy. Previous history of splenectomy or whole spleen radiation History of splenectomy Prior splenectomy Prior splenectomy Subjects with splenectomy. History of splenectomy Prior splenectomy Prior splenectomy Patients having previously undergone splenectomy. Prior splenectomy Patients having undergone splenectomy. Patients who have undergone splenectomy Splenectomy (Phase 2 portion of the study only) Patients with a prior history of a splenectomy and/or sickle cell trait/disease Prior splenectomy unless Howell-Jolly bodies are absent. History of splenectomy Prior splenectomy Patient is immunocompromised (patients with splenectomy are allowed). Immunocompromised patient (Note: patients with splenectomy are allowed) Immunocompromised patient (Note: patients with splenectomy are allowed) Previous splenectomy Immunodeficiency or splenectomy Prior splenectomy Previous hysterectomy and/or prior treatment for cervical precancer condition Patients post hysterectomy and free from residual disease Has undergone a previous hysterectomy defined as removal of the entire uterus or will have a hysterectomy as part of their initial cervical cancer therapy. NOTE: Women who have had a partial/subtotal hysterectomy are eligible to participate in the study Participants must have undergone simple, modified radical, or radical abdominal hysterectomy or vaginal hysterectomy and lymphadenectomy (pelvic nodes, para-aortic nodes, or both nodal basins) by open or laparoscopic assisted technique Evidence of measurable (macroscopic) residual disease following hysterectomy and lymphadenectomy Prior hysterectomy Patients must have undergone a hysterectomy (total abdominal hysterectomy, vaginal hysterectomy or radical hysterectomy, or total laparoscopic hysterectomy) for carcinoma of the cervix or endometrium within 49 days prior to registration; performance of a bilateral salpingo-oophorectomy will be at the treating surgeon’s discretion Patients who have undergone a previous hysterectomy or will have a hysterectomy as part of their initial cervical cancer therapy; this includes patients with a prior history of supracervical hysterectomy Patients who have had a simple hysterectomy (cut through hysterectomy) Women who have undergone simple or radical hysterectomy prior to radiotherapy Prior hysterectomy Documented oophorectomy or hysterectomy Participants who have undergone hysterectomy Is not a candidate for immediate hysterectomy, following evaluation by a physician, due to desire to preserve fertility, due to degree of obesity, due to comorbidities, or due to patient refusal of hysterectomy At least 2 months was passed since the hysterectomy at time of visit 2 Without hysterectomy Women who self-report having received a hysterectomy PRELIMINARY TEST: No history of hysterectomy Report having had a hysterectomy Have had hysterectomy Prior hysterectomy Prior hysterectomy with removal of the cervix Women who have undergone a hysterectomy with removal of the cervix Prior hysterectomy or endometrial ablation Patients having undergone prior hysterectomy will be eligible provided that they meet the other requirements for entry into this study obtaining surgical history (e.g., tubal ligation or hysterectomy) Subjects with prior complete or partial hysterectomy involving removal of the cervix Hysterectomy. Patients must be able to avoid direct contact with pregnant or nursing women, infants and immunocompromised individuals during the days of reolysin treatment and for two days after Unable to avoid close contact or household contact with the following high-risk individuals for three weeks after the day 1 vaccination: (a) children =< 3 years of age, (b) pregnant or nursing women, (c) individuals with prior or concurrent extensive eczema or other eczemoid skin disorders, or (d) immunocompromised individuals, such as those with HIV Unable to avoid close contact or household contact with the following high-risk individuals for three weeks after the day 1 vaccination: (a) children =< 3 years of age, (b) pregnant or nursing women, (c) individuals with prior or concurrent extensive eczema or other eczemoid skin disorders, or (d) immunocompromised individuals, such as those with HIV Patients unable to avoid close contact or household contact with the following high-risk individuals for three weeks after the day 1 vaccination: (a) children =< 3 years of age, (b) pregnant or nursing women, (c) individuals with prior or concurrent extensive eczema or other eczematoid skin disorders, or (d) immunocompromised individuals, such as those with human immunodeficiency virus (HIV) Unable to avoid close contact or household contact with the following high-risk individuals for three weeks after the day 1 vaccination: (a) children =< 3 years of age, (b) pregnant or nursing women, (c) individuals with prior or concurrent extensive eczema or other eczemoid skin disorders, or (d) immunocompromised individuals, such as those with HIV Must be able to avoid direct contact with pregnant women, infants < 3 months of age and immunocompromised individuals while on study and for >= 3 weeks following the last dose of study agent administration; direct contact is defined as household contact, i.e., anyone living with the patient Unable to avoid close contact or household contact with the following high-risk individuals for three weeks after the day 1 vaccination: (a) children =< 3 years of age, (b) pregnant or nursing women, (c) individuals with prior or concurrent extensive eczema or other eczemoid skin disorders, or (d) immunocompromised individuals, such as those with HIV Unable to avoid close contact or household contact with the following high-risk individuals for three weeks after the day 1 vaccination: (a) children =< 3 years of age, (b) pregnant or nursing women, (c) individuals with prior or concurrent extensive eczema or other eczemoid skin disorders, or (d) immunocompromised individuals, such as those with human immunodeficiency virus (HIV) Inability to avoid close contact or household contact with the following high-risk individuals for three weeks after the day 1 vaccination or until the vaccination site heals completely: (a) children =< 3 years of age, (b) pregnant or nursing women, (c) individuals with prior or concurrent extensive eczema or other eczemoid skin disorders, or (d) immunocompromised individuals, such as those with HIV Unable to avoid close contact or household contact with the following high-risk individuals for three weeks after the day 1 vaccination or until the vaccination site heals completely: (a) children =< 3 years of age, (b) pregnant or nursing women, (c) individuals with prior or concurrent extensive eczema or other eczemoid skin disorders, (d) individuals with other acute, chronic, or exfoliative skin condition, or (e) immunocompromised or immunosuppressed persons (by disease or therapy)