Survival and inactivation of hepatitis E virus on inanimate surfaces. 2023

J E Wißmann, and Y Brüggemann, and D Todt, and J Steinmann, and E Steinmann
Department for Molecular & Medical Virology, Ruhr University Bochum, Bochum, Germany.

BACKGROUND Hepatitis E virus (HEV) is the most common cause of acute viral hepatitis, and mainly transmitted via faecal-oral contamination or consumption of contaminated food products. However, limited data on the surface stability and HEV sensitivity to chemical disinfectants are available. OBJECTIVE To establish an HEV-based carrier assay to evaluate its surface stability and the virucidal activity of nine surface disinfectants. METHODS A recently developed robust HEV-3 cell culture system for an HEV-based carrier assay. RESULTS Alcohol-based disinfectants were insufficient to eliminate HEV infectivity, whereas disinfectants based on aldehyde, peracetic acid, oxygen, and/or quaternary ammonium inactivated HEV. CONCLUSIONS These findings have strong implications for the recommendation of evidence-based hygiene guidelines to reduce HEV transmission.

UI MeSH Term Description Entries
D010463 Peracetic Acid A liquid that functions as a strong oxidizing agent. It has an acrid odor and is used as a disinfectant. Acetyl Hydroperoxide,Peroxyacetic Acid,Desoxone-1,Dialax,Peracetic Acid, Sodium Salt,Peroxyethanoic Acid,Sodium Peracetate,Zinc Peracetate,Acid, Peracetic,Acid, Peroxyacetic,Acid, Peroxyethanoic,Desoxone 1,Desoxone1,Peracetate, Sodium,Peracetate, Zinc
D004202 Disinfectants Substances used on inanimate objects that destroy harmful microorganisms or inhibit their activity. Disinfectants are classed as complete, destroying SPORES as well as vegetative forms of microorganisms, or incomplete, destroying only vegetative forms of the organisms. They are distinguished from ANTISEPTICS, which are local anti-infective agents used on humans and other animals. (From Hawley's Condensed Chemical Dictionary, 11th ed) Biocide,Disinfectant,Biocides
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000431 Ethanol A clear, colorless liquid rapidly absorbed from the gastrointestinal tract and distributed throughout the body. It has bactericidal activity and is used often as a topical disinfectant. It is widely used as a solvent and preservative in pharmaceutical preparations as well as serving as the primary ingredient in ALCOHOLIC BEVERAGES. Alcohol, Ethyl,Absolute Alcohol,Grain Alcohol,Alcohol, Absolute,Alcohol, Grain,Ethyl Alcohol
D000447 Aldehydes Organic compounds containing a carbonyl group in the form -CHO. Aldehyde
D016752 Hepatitis E virus A positive-stranded RNA virus species, causing enterically-transmitted non-A, non-B hepatitis (HEPATITIS E). Hepatitis E virus (strain Burma),Orthohepevirus A,Paslahepevirus,Paslahepevirus balayani,Paslahepeviruses
D038301 Virus Inactivation Inactivation of viruses by non-immune related techniques. They include extremes of pH, HEAT treatment, ultraviolet radiation, IONIZING RADIATION; DESICCATION; ANTISEPTICS; DISINFECTANTS; organic solvents, and DETERGENTS. Viral Inactivation,Inactivation, Viral,Inactivation, Virus

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