Immunologic studies on persons residing in a plague endemic area.
D000906:Antibodies; D000941:Antigens; D006801:Humans; D010930:Plague / Q000276:immunology*; D014611:Vaccination; D014612:Vaccines
D000906:Antibodies; D000941:Antigens; D014612:Vaccines
ANTIGENS AND ANTIBODIES; PLAGUE/immunology; VACCINES AND VACCINATION