Control of Raw Pork Liver Sausage Production Can Reduce the Prevalence of HEV Infection

After an acute hepatitis E (HEV) outbreak in Southern Switzerland, in January 2017 the local public health authorities started an active program of food chain control and public education. In this retrospective study, we analysed all laboratory-confirmed acute cases of HEV infection diagnosed betwee...

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Bibliographic Details
Published in:Pathogens (Basel) Vol. 10; no. 2; p. 107
Main Authors: Ripellino, Paolo, Pianezzi, Enea, Martinetti, Gladys, Zehnder, Cinzia, Mathis, Barbara, Giannini, Petra, Forrer, Nicola, Merlani, Giorgio, Dalton, Harry R., Petrini, Orlando, Bihl, Florian, Fontana, Stefano, Gobbi, Claudio
Format: Journal Article
Language:English
Published: Switzerland MDPI AG 22.01.2021
MDPI
Subjects:
Consumers
Consumption
education
epidemiology
food chain
food chain control
Food chains
Food contamination & poisoning
Health promotion
Hepatitis
hepatitis E
Hogs
Infections
Liver
liver sausage
one health
Patients
Population
Pork
Public health
retrospective studies
sausage
Sausages
Serology
Statistical analysis
Switzerland
Zoonoses
Switzerland
epidemiology
raw liver
one health
hepatitis E
sausage
food chain control
public health
ISSN:2076-0817, 2076-0817
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Summary:After an acute hepatitis E (HEV) outbreak in Southern Switzerland, in January 2017 the local public health authorities started an active program of food chain control and public education. In this retrospective study, we analysed all laboratory-confirmed acute cases of HEV infection diagnosed between 2014 and 2020. In the period before the public health intervention, the number of cases increased steadily from 2014 (4 of 40 tests, 10%) reaching a peak in the last quarter of 2016 (42 of 285 tests, 14.7 %). Afterwards, the number of positive cases decreased steadily, reaching its lowest value (0.3%) in the second quarter of 2019. There was a statistically significant difference between the frequency of positive cases and period of testing, i.e., before and after the introduction of the public health interventions. Our study shows that active public health measures to control sausages containing raw pork liver can reduce the prevalence of HEV infection.
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ISSN:2076-0817
2076-0817
DOI:10.3390/pathogens10020107