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Search results with tag "Waterborne outbreaks"
Wastewater Effluent Discharge: Effects and Treatment …
ipcbee.comcritical factors contributing to numerous waterborne outbreaks. Diseases caused by bacteria, viruses and protozoa are the most common health hazards associated with untreated drinking and recreational waters Contaminated water is a vehicle for several waterborne diseases…
Hepatitis A Virus Pathogenesis
www.cdc.govWaterborne outbreaks are infrequent in the United States and are usually associated with sewage-contaminated or inadequately treated water. Temporal Pattern There is no appreciable seasonal variation in hepatitis A . incidence. In the prevaccine era, cyclic increases in reported . acute cases were observed every 10 to 15 years and were