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Cryptospondium (part 1 of 2) Page 6 of 13 <br /> � <br /> . �� � � <br /> ■ The prevalence of cryptosporidiosis is between 1 and 4 percent of the total <br /> population in North America. <br /> ■ A number of waterborne disease outbreaks have been associated with <br /> Cryprosporidium. <br /> ■ Cryptosporidiosis is usually self-limiting, except in immunocompromised <br /> individuals.ai <br /> ■ Groups at risk include: <br /> . Animal handlers <br /> . Health care workers <br /> . Day care center children/employees <br /> . Consumers of contaminated water <br /> . Travelers to developing countries <br /> . Immunodeficient and immunosuppressed persons <br /> - Congenital deficiency <br /> - Acquired deficiency <br /> - Immunosuppressive therapy <br /> - Malnourished <br /> ■ Incidence of cryptosporidiosis amongst AIDS patients is not well known, but is <br /> estimated to be between 1 and 10 percent. Of these infected patients, it is not <br /> known how many may die directly from cryptosporidiosis, but numbers as high as <br /> 20 percent have been speculated.ss <br /> ■ No therapeutic agent has been found to treat cryptosporidiosis. <br /> ■ In some cases where Cryptosporidium has been detected, other pathogenic <br /> organisms have also been detected (e.g., Giardia, rotavirus).la <br /> Other Infectious Organisms <br /> Cryptosporidium is not the only organism which causes diarrheal <br /> symptoms. 5,11,14, z 6,36,42 Immunocompromised individuals, particularly with those with <br /> AIDS, can be infected by a variety of other diarrhea causing organisms, including: <br /> ■ Cytomegalovirus <br /> ■ Mycobacterium avium <br /> ■ Sa/monella <br /> ■ Entomoeba histolytica <br /> ■ Giardia lamblia <br /> ■ Herpes simplex <br /> ■ Campylobacter jejuni <br /> ■ Isopora belli <br /> ■ Campylobacter di�cile <br /> ■ Candida <br /> ■ Strongy/oides <br /> http://sfwater.org/printContent.cfin/C_ID/446/ 10/19/2004 <br /> . r .._ _� _ ,. <br />