1.Gallaher MM, Herndon JL, Nims LJ, Sterling CR, Grabovvski DJ. Hull JF. Crypto-sporidiosis and surface water. Am J Publ Hlth 1989; 79: 39–42.
2.D'Antonio RG. Winn RE, Taylor JP et al. , A waterborne outbreak of Cryptosporidiosis in normal hosts. Ann Intern Med 1985; 103: 886–8.
3.Hayes EB, Matte TD, O'Brien TR et al. , Large community outbreak of cryptosporidiosis due to contamination of a filtered public water supply. N Engl J Med 1989; 320: 1372–6.
4.Richardson AJ, Frankenberg RA, Buck AC et al. , An outbreak of waterborne cryptosporidiosis in Swindon and Oxfordshire. Epidemiol Infect 1991; 107: 485–95.
5.Joseph C. Hamilton G, O'Connor M et al. , Cryptosporidiosis in the Isle of Thanet; an outbreak associated with local drinking water. Epidemiol Infect 1991; 107: 509–19.
6.MacKenzie WR. Hoxie NJ, Proctor ME et al. , The massive outbreak of Cryptosporidium infection transmitted through the public water supply. N Engl J Med 1994; 331: 161–7.
7.Sorvillo FJ, Fujioka K, Mahlen B, Tormey MP, Kebabjian R. Mascola L. Swimming-associated Cryptosporidiosis. Am J Publ Hlth 1992; 82: 742–4.
8.Joce RE. Bruce J, Kiely D et al. , An outbreak of cryptosporidiosis associated with a swimming pool. Epidemiol Infect 1991; 107: 497–508.
9.McAnulty JM, Fleming DW. Gonzalez AH. A community-wide outbreak of cryptosporidiosis associated with swimming at a wave pool. JAMA 1994; 272: 1597–600.
10.Hunt DA, Sebugwawo S, Edmundson SG, Casemore DP. Cryptosporidiosis associated with a swimming complex. Communi Dis Rep 1994; 4 R20–R22.
11.Centers for Disease Control. Cryptosporidium infections associated with swimming pools in Dane County, Wisconsin. 1993. MMWR 1994; 43: 561–3.
12.Ma P, Soave R. Three-step stool examination for cryptosporidiosis in 10 homosexual men with protracted watery diarrhea. J Infect Dis 1983; 147: 824–8.
13.Kleinbaum DG. Kupper LL, Morgenstern H. Epidemiologic research: principles and quantitative methods. Belmont, California: Lifetime Learning Publications. 1982.
14.Rose JB. Landeen LK, Riley KR, Gerba CP. Evaluation of immunofluorescence techniques for detection of Cryptosporidium oocysts and Giardia cysts from environmental samples. Appl Environ Microbiol 1989; 55: 3189–96.
15.Korich DG. Mead JR, Madore MS, Sinclair NA, Sterling CR. Effects of ozone, chlorine dioxide, chlorine, and monocloramine on Cryptosporidium oocyst viability. Appl Environ Microbiol 1990; 56: 1423–8.
16.Finch GR, Black EK. Gyurek L, Belosevic M. Ozone inactivation of Cryptosporidium parvum in demand-free phosphate buffer determined by in vitro excystation and animal infectivity. Appl Environ Microbiol 1993; 59: 4203–10.
17.Lange KP, Bellamy WD, Hendricks DW, Logsdon GS. Diatomaceous earth filtration of Giardia cysts and other substances. J Am Water Works Assn 1986; 78: 76–84.
18.Rose JB. Environmental sampling for waterborne pathogens: overview of methods, application of limitations and data interpretation. In: Methods for the investigation and prevention of waterborne disease outbreaks. Craun GF. ed. U.S. Environmental Protection Agency report #EPA/600/1090/005a. Office of Research and Development. Washington. D.C., 1990: 223–34.