Hepatitis E update

Area of Science:

• Hepatology
• Infectious Diseases
• Public Health

Background:

• Hepatitis E virus (HEV) is a leading cause of acute hepatitis worldwide.
• Historically, HEV was associated with developing countries and travelers, but is now recognized as endemic in high-income nations.
• HEV is primarily a zoonotic infection, posing a growing public health concern.

Purpose of the Study:

• To highlight the increasing prevalence of Hepatitis E virus (HEV) in developed countries.
• To emphasize the importance of HEV testing in patients presenting with acute hepatitis symptoms.
• To inform about specific risk groups and prevention strategies for HEV infection.

Main Methods:

• Review of current epidemiological data on HEV prevalence.
• Analysis of clinical presentations and risk factors associated with HEV infection.
• Consultation of guidelines from organizations like the European Association for the Study of the Liver.

Main Results:

• HEV is a common cause of acute hepatitis globally and is endemic in most high-income countries.
• HEV is largely a zoonotic infection, with genotype 3 prevalent in developed regions.
• Pregnant women (genotype 1) and individuals with chronic liver disease or older men (genotype 3) are at higher risk for severe outcomes.

Conclusions:

• Widespread testing for HEV is crucial for patients with acute hepatitis symptoms.
• Awareness of HEV as an endemic zoonotic infection in developed countries is necessary.
• Preventive measures, including safe water, proper meat handling, and caution in endemic areas, are vital to reduce HEV transmission.