Icterohaemorrhagiae was still the major popular serotype in natural population, and secondly were Autumnalis, Australis, Pomona, Grippotyphosa.

• 黄疸出血群仍是湖南省自然人群主要流行菌型,其次秋季群、澳洲群、波摩那群和流感伤寒群也是湖南省流行菌型;