No, it is unsafe to remain in a home or living space contaminated by an active raw sewage backup. Prolonged exposure to sewer gas releases hazardous hydrogen sulfide, methane, and toxic bioaerosols that can cause severe headaches, nausea, dizziness, and acute respiratory distress. Furthermore, direct skin contact with raw wastewater poses extreme infection risks. Callout type="warning" title="Hygiene Warning": Open windows for immediate cross-ventilation and evacuate to a safe location if sewage flooding is widespread. Verification: Hire professional remediation technicians to clean and sanitize the property before re-entering.
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