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July 11, 2026Työväentutkimus VuosikirjaOpen Access

Hepatitis E virus in meat and meat products without liver contents – Detection methods, occurrence and implications for public health

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Authors

RJReimar JohneNANadine AlthofLMLeena Maunula

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Overview

Review reveals evidence of Hepatitis E virus transmission through undercooked pork and wild game meat, highlighting the need for standardized detection and enhanced food safety measures.

Key Points

  • To assess detection techniques, prevalence rates, and public health risks of Hepatitis E virus infection linked to consuming meat and meat products without liver content.
  • Synthesized literature on HEV RNA detection in muscle tissues of domestic swine, wild boars, and deer across experimental and observational settings.
  • Evaluated product spiking studies, clinical case reports, and epidemiological case-control investigations regarding non-liver meat products.
  • HEV RNA was repeatedly identified in muscle tissues of wild boars and experimentally infected domestic pigs, with detection rates reaching up to 26% in commercial raw sausages.
  • Spiking experiments demonstrated that HEV maintains high viral stability throughout the manufacture and cold storage of raw meat products.
  • Epidemiological data confirmed that consumption of undercooked or raw non-liver meat serves as a vehicle for human transmission, though presenting lower viral loads than liver-containing foods.

Cite This Study

Johne et al. (2026) studied this question.

synapsesocial.com/papers/6a843ebe002ab1506fb2a609https://doi.org/10.1016/j.ijfoodmicro.2026.111971
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