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Small mammals and fleas are risk factors for the occurrence of plague in commensal plague foci. Understanding the relationship between fleas and small mammals will help control fleas and prevent the onset of the plague. Four hundred and twenty-one small mammals, belonging to 9 species, were captured. Of these, 170 small mammals (40.4%) were found infested with fleas. A total of 992 parasitic fleas (including 5 species) were collected. The number of\n                    <jats:italic>Leptopsylla segnis<\/jats:italic>\n                    and\n                    <jats:italic>Xenopsylla cheopis<\/jats:italic>\n                    accounted for 91.03% (903\/992). The final multiple hurdle negative binomial regression model showed that when compared with\n                    <jats:italic>Rattus tanezumi<\/jats:italic>\n                    , the probability of flea infestation with\n                    <jats:italic>Mus musculus<\/jats:italic>\n                    as well as other host species decreased by 58% and 99%, respectively, while the number of flea infestations of the other host species increased by 4.71 folds. The probability of flea prevalence in adult hosts increased by 74%, while the number of fleas decreased by 76%. The number of flea infestations in small male mammals increased by 62%. The number of fleas in small mammals weighing more than 59\u00a0g has been multiplied by about 4.\n                    <jats:italic>R. tanezumi<\/jats:italic>\n                    is the predominant species in households in the west Yunnan province, while\n                    <jats:italic>L.segnis<\/jats:italic>\n                    and\n                    <jats:italic>X. cheopis<\/jats:italic>\n                    were dominant parasitic fleas. There is a strong relationship between the abundance of fleas and the characteristics of small mammals (e.g. Species, age, sex, and body weight).\n                  <\/jats:p>","DOI":"10.1038\/s41598-020-73690-0","type":"journal-article","created":{"date-parts":[[2020,10,7]],"date-time":"2020-10-07T06:02:46Z","timestamp":1602050566000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["The relationship between fleas and small mammals in households of the Western Yunnan Province, China"],"prefix":"10.1038","volume":"10","author":[{"given":"Jia-Xiang","family":"Yin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiao-Ou","family":"Cheng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun-Yan","family":"Luo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qiu-Fang","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhao-Fei","family":"Wei","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dan-Dan","family":"Xu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Meng-Di","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiu-Fang","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zheng-Xiang","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,10,7]]},"reference":[{"key":"73690_CR1","doi-asserted-by":"publisher","first-page":"1225","DOI":"10.1093\/beheco\/arn083","volume":"19","author":"K Gallizzi","year":"2008","unstructured":"Gallizzi, K., Alloitteau, O., Harrang, E. & Richner, H. 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