附红细胞体（附红体）是寄生于人畜红细胞表面、血浆及骨髓中的一群微生物，附红细胞体病是该病原体感染而引起的人畜共患病，自80年代后，国内外对此类微生物感染人畜及发病的研究越来越引起人们的关注，我国自1981年后对此病有了一些报告[1～3]，近年来又对江苏、河北和宁夏 Eperythrozoon (attached to red body) is a group of microorganisms parasitic on the surface of human and animal erythrocytes, plasma and bone marrow, eperythrozoonosis is caused by the pathogen infection zoonotic diseases, since the 1980s, at home and abroad for such microorganisms More and more people are concerned about the research on the infection of human beings and animals and the pathogenesis of this disease. Since 1981, there have been some reports on this disease in China [1-3]. In recent years, Jiangsu, Hebei and Ningxia