therapeutic preparations, namely, antibodies for use in targeting the CCR5 cell receptor, for preventing and/or treating HIV, cancer, graft-versus-host disease, autoimmune diseases, nonalcoholic steatohepatitis, respiratory diseases and disorders; therapeutic preparations for the prevention and/or treatment of HIV, cancer, graft-versus-host disease, autoimmune diseases, nonalcoholic steatohepatitis, respiratory diseases and disorders; therapeutic preparations for the treatment of COVID-19