History of severe hypersensitivity reaction to any monoclonal antibodyXx_NEWLINE_xXHistory of severe hypersensitivity reaction to any monoclonal antibodyXx_NEWLINE_xXHistory of severe hypersensitivity reaction to any monoclonal antibodyXx_NEWLINE_xXHistory of severe hypersensitivity reaction to any monoclonal antibodyXx_NEWLINE_xXPatients with a history severe (>= grade 3) hypersensitivity reaction to a monoclonal antibody are ineligibleXx_NEWLINE_xXEXCLUSION CRITERIA FOR STRATUM C: Patients with a history severe (>= grade 3) hypersensitivity reaction to a monoclonal antibody are ineligibleXx_NEWLINE_xXHistory of severe hypersensitivity reaction to any monoclonal antibodyXx_NEWLINE_xXNo history of severe hypersensitivity to a monoclonal antibodyXx_NEWLINE_xXHistory of severe hypersensitivity reaction to any monoclonal antibodyXx_NEWLINE_xXHave a known immediate or delayed hypersensitivity reaction or idiosyncrasy to talimogene laherparepvec or any of its components or nivolumab, or history of severe hypersensitivity reaction to any monoclonal antibodyXx_NEWLINE_xX