Exposure to sewage can pose significant health risks due to the presence of harmful microorganisms, chemicals, and toxins. ### Health Risks Sewage contains a wide range of pathogens, including bacteria, viruses, and parasites. These can cause a variety of illnesses such as: - Gastroenteritis: Symptoms include diarrhea, vomiting, and abdominal pain. - Hepatitis A and E: These liver infections can cause fatigue, jaundice, and abdominal pain. - Legionnaires' disease: A severe pneumonia caused by the bacteria _Legionella pneumophila_. - Typhoid fever: A bacterial infection that causes fever, headache, and diarrhea. ### Symptoms Exposure to sewage can cause a range of symptoms, including: - Skin irritation: Contact with sewage can cause rashes, itching, and swelling. - Respiratory problems: Inhaling sewage fumes can irritate the respiratory tract, leading to coughing, wheezing, and shortness of breath. - Eye irritation: Sewage can cause redness, pain, and discharge from the eyes. - Nausea and vomiting: Exposure to sewage can trigger nausea and vomiting. ### Is Sewage a Biohazard? Yes, sewage is considered a biohazard due to its potential to transmit disease-causing microorganisms. It is classified as a Category C biohazard, meaning it is potentially infectious and may cause serious health problems.