Human cryptosporidiosis in China

Zu, Shu-Xian; Shuyu, Zhu; Jin-fen, LI

doi:10.1016/0035-9203(92)90167-b

Cited by 4 publications

(1 citation statement)

References 2 publications

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“…Spread o f C.parvum from human to human is an important means o f transmission and is often observed when water contaminated with human effluent is consumed. Based on stool samples, the prevalence rate o f humans infected with Cryptosporidium ranges between 0.6 to 20% Caprioli et al, 1989;Zu et al, 1992;Molbak et al, 1993;Nimri and Batchoun, 1994).…”

Section: Schizogony Is the Asexual Reproductive Cycle O F Protozoa Involving M Ultiple Fission (The Sim Ultaneous Division O Fmentioning

confidence: 99%

The Characterization of Significant Direct Threats to Source Watersheds: a Risk-Based Approach

Kelly¹

2021

Preprint

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In 2004, the Ontario Ministry of the Environment proposed the 'Drinking water source protection act' which stipulated that, in the development of water protection plans, significant direct threats to source watersheds are to be identified. Examination of the major risk factors threatening water resources proved there are insufficient scientific data available to regulators to accomplish this task. Research showed E.coli O157:H7, Salmonella, Giardia lamblia, and Cryptosporidium parvum, and the sources of these pathogens in the environment are, qualitatively, significant threats to water resources. However, a quantitative characterization of significance depends of the failure probabilities of pathogen sources. Using the Ontario Spills Action Centre data, the occurrence of failure was found to have a high non-zero probability. However, considerable uncertainties revealed in these data suggest that a better understanding of failure is critical to accurately characterize significant threats to drinking water resources.

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Section: Schizogony Is the Asexual Reproductive Cycle O F Protozoa Involving M Ultiple Fission (The Sim Ultaneous Division O Fmentioning

confidence: 99%