Abstract: Formulations and methods of treatment for a patient infected with Sudan vims are provided. The formulation comprises a therapeutically effective combination of: (i). a first monoclonal antibody comprising a heavy chain variable region comprising an amino acid sequence deduced from the nucleic acid molecule as set forth in SEQ. ID NO: 5, and a light chain variable region comprising an amino acid sequence deduced from the nucleic acid molecule as set forth in SEQ ID NO: 6, therapeutically effective mutations, and humanized variants thereof, and humanized variants thereof; (ii). a second monoclonal antibody comprising a heavy chain variable region comprising an amino acid sequence deduced from the nucleic acid molecule as set forth in SEQ. ID NO: 13 and a light chain variable region comprising an amino acid sequence deduced from the nucleic acid molecule as set forth in SEQ ID NO: 14, therapeutically effective mutations, and humanized variants thereof.

Abstract: Anti-CCHFV antibodies with neutralizing potency and protective efficacy against CCHFV are provided, as well as methods for their identification, isolation, generation, and methods for their preparation and use are provided.