Which of the following types of hepatitis are transmitted primarily by the fecal-oral route? Select all that apply.

Viral hepatitis refers to inflammation of the liver caused by different hepatitis viruses, each with distinct modes of transmission. Some types are spread through contaminated food and water (fecal-oral route), while others are transmitted through blood or body fluids. Understanding transmission routes is essential for implementing appropriate infection control and prevention strategies. The fecal-oral route is primarily associated with viruses that spread through poor sanitation and ingestion of contaminated materials. Rationale: A. Hepatitis E is transmitted primarily through the fecal-oral route, usually via contaminated water sources. It is more common in areas with poor sanitation and can cause outbreaks, especially in developing regions. Infection is typically self-limiting but can be severe in pregnant individuals, leading to higher mortality risk. B. Hepatitis D is not transmitted through the fecal-oral route. It requires the presence of hepatitis B for replication and is spread through blood and body fluids, similar to hepatitis B. Therefore, its transmission is parenteral rather than enteric. C. Hepatitis B is transmitted through exposure to infected blood and body fluids, such as sexual contact, needle sharing, or perinatal transmission. It is not spread through contaminated food or water. Vaccination is an effective preventive measure against hepatitis B infection. D. Hepatitis C is primarily transmitted through blood-to-blood contact, most commonly via shared needles or contaminated medical equipment. It is not associated with fecal-oral transmission. There is currently no vaccine for hepatitis C, making prevention through safe practices essential. E. Hepatitis A is transmitted through the fecal-oral route, often via contaminated food or water or close personal contact. It is highly contagious but usually self-limiting and does not lead to chronic liver disease. Vaccination and good hygiene practices are key preventive strategies.