Pathogenic bacteria, viruses, and microbial pathogens found in raw sewage can survive on dry indoor surfaces and porous materials anywhere from several hours to several months depending on ambient temperature, humidity, and the specific organism type. For example, hardy enteric bacteria and bacterial spores can persist in organic residue for extended periods, posing severe health risks. Callout type="warning" title="Hygiene Warning": Disinfect all contaminated surfaces immediately using bleach solutions to prevent infection. Verification: Thoroughly sanitize and dry all affected areas following any wastewater overflow.
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