Host-Pathogen Interactions/immunology; Leishmania/immunology; Leishmania/virology; Leishmaniasis, Mucocutaneous/immunology; Leishmaniasis, Mucocutaneous/parasitology; RNA Viruses/physiology; Animals; Cricetinae; Humans; Inflammation/immunology; Inflammation/parasitology; Inflammation Mediators/immunology; Interferons/immunology; Leishmania/isolation & purification; Leishmania/pathogenicity; Leishmania guyanensis/immunology; Leishmania guyanensis/isolation & purification; Leishmania guyanensis/pathogenicity; Leishmania guyanensis/virology; Macrophages/immunology; Macrophages/parasitology; Mice; Phagosomes/parasitology; RNA Viruses/genetics; RNA Viruses/isolation & purification; RNA, Viral/immunology; Toll-Like Receptors/deficiency; Toll-Like Receptors/immunology