Letter: Cryptic infection of rats with non-encapsulated variants of Yersinia pestis.
D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis; D000942:Antigens, Bacterial / Q000032:analysis; D014644:Genetic Variation; D006386:Hemagglutination Tests; D006801:Humans; D010930:Plague / Q000276:immunology* / Q000401:mortality; D010931:Plague Vaccine; D051381:Rats; D015007:Yersinia / Q000032:analysis / Q000302:isolation & purification*
D000907:Antibodies, Bacterial; D000942:Antigens, Bacterial; D010931:Plague Vaccine