3Schneider T,Jahn HU,Schmidt W,et al.Loss of CD4 T Lymphocytesin patients infected with human immunodeficiency virus type I ismore pronounced in the duodenal mucosa than in the peripheralblood.Berlin Diarrhea/Wasting Syndrome Study Group[J].Gut,1995,37(4):524-529.
9Naumova EN, Egorov AI, Morris RD,et al. The elderly and water- borne gastroenteritis hospitalizations before and during the 1993 Milwaukee outbreak [J]. Emerg Infect Dis, 2003,9(4) :418-425.
10Dillingham RA, Pinkei:ton R, Leger P, et al. High early mortality in patients with chronic acquired immunodefi- ciency syndrome diarrhea initiating antiretroviral therapy in Haiti:a case-control study[J]. Am J Trop Med Hyg, 2009,80(6) :1060 - 1064.
6Naumova EN, Egorov AI, Morris RD, et al. The elderly and water- bome Cryptosporidiuminfection: gastroenteritis hospitalizations before and during the 1993 Milwaukee outbreak [ J] . Emerg Infect Dis, 2003, 9 (4): 418-425.
7Santin M. Clinical and subclinical infections with Cryptospofidium in an- imals [J] .NZVetJ, 2013, 61 (1): 1-10.
8Jonathan RB, Michele BP, Patricia CW, et a/. Complex epidemiology and zoonotic potential for Cryptosporidium suis in rural Madagascar [ J ] . Vet Parasitol, 2015, 207 (1-2): 140-143.
10Colford JM, Saha SR, Wade TJ, et ol. A pilot randomized, controlled trial of an in - home drinking water intervention among HIVpersons [ J ] . Wate Health, 2fl36, 3 (2): 173-174.