Spotted fever vaccine; potency assay by direct challenge of vaccinated mice with toxin of Rickettsia rickettsii.
D000818:Animals; D000992:Antitoxins; D051379:Mice; D012284:Rickettsia rickettsii / Q000276:immunology*; D012373:Rocky Mountain Spotted Fever / Q000276:immunology*; D014118:Toxins, Biological; D014612:Vaccines
D000992:Antitoxins; D014118:Toxins, Biological; D014612:Vaccines
RICKETTSIA RICKETTSII/immunology; ROCKY MOUNTAIN SPOTTED FEVER/immunology; TOXINS AND ANTITOXINS