A review of an emerging waterborne medical important parasitic protozoan

Waterborne diseases occur worldwide, and outbreaks caused by the contamination of community water systems have the potential to cause disease in large numbers of consumers. Waterborne outbreaks have economic consequences beyond the cost of health care for affected patients, their families and contacts, and the economic costs of illness and disease, as they also create a lack of confidence in potable water quality and in the water industry in general. A number of outbreaks have been associated with drinking and recreational water worldwide but most of the information is available from USA and GB (Barwick, et al., SUMMARY