Comparison of the immunogenic and anaphylactogenic properties of Rocky Mountain spotted fever vaccines prepared from infected yolk sacs and from infected tick tissue.
D000818:Animals; D000917:Antibody Formation; D006801:Humans; D012290:Rickettsial Vaccines; D012373:Rocky Mountain Spotted Fever; D013987:Ticks; D014612:Vaccines; D015017:Yolk Sac
ROCKY MOUNTAIN SPOTTED FEVER/vaccines