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Waterborne Outbreaks
Found 2 free book(s)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
Personal, domestic and community hygiene
www.who.intchildren may play in them and risk waterborne illness. 8.1 Personal and domestic hygiene 8.1.1 Handwashing Proper handwashing is one of the most effective ways of preventing the ... and is a leading cause of disease outbreaks and transmission. Food that is kept too long can go bad and contain toxic chemicals or pathogens, and food-stuffs that ...