Hepatitis E Virus Exposure is Increased in Pork Butchers from Burkina Faso

Traoré, Karfa; Ouoba, Jean Bienvenue; Huot, N.; Rogée, Sophie; Dumarest, Marine; Traoré, Amidou; Pavio, Nicole; Barro, Nicolas; Roques, Pierre

doi:10.4269/ajtmh.15-0321

Cited by 33 publications

(34 citation statements)

References 16 publications

(16 reference statements)

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“…The seroprevalence found in our study is comparable with intermedium (46.9-66.4%) seroprevalences in pigs reported in Germany, 12 Italy, 13 Philippines, 14 Switzerland, 15 and China. 16 In contrast, the seroprevalence found in our studied pigs is lower than those (71.2-90%) reported in pigs in Madagascar, 6 Netherlands, 17 Belgium, 18 France, 19 Burkina Faso, 20 and Norway. 21 However, comparison of HEV seroprevalences among the studies should be interpreted with care because several diagnostic assays were used.…”

Section: Discussioncontrasting

confidence: 80%

“…11 Whereas, intermedium (46.9-66.4%) seroprevalences of HEV infection have been reported in pigs in Germany, 12 Italy, 13 Philippines, 14 Switzerland, 15 and China. 16 In contrast, high (71.2-90%) seroprevalences of HEV infection have been found in pigs in Madagascar, 6 Netherlands, 17 Belgium, 18 France, 19 Burkina Faso, 20 and Norway. 21 The prevalence of HEV infection in pigs in Mexico has been scantily studied.…”

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confidence: 99%

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Seroepidemiology of hepatitis E virus infection in pigs in Durango State, Mexico

Alvarado‐Esquivel¹,

Sánchez‐Anguiano²,

Hernández‐Tinoco³

et al. 2017

Journal of Medical Virology

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No information about hepatitis E virus (HEV) infection in pigs in the northern Mexican state of Durango exists. We determined the seroprevalence and correlates of anti-HEV IgG antibodies in pigs in Durango, Mexico. Through a cross-sectional study, we studied 427 pigs raised in backyards (n = 328), or slaughtered (n = 99) in Durango. Sera of pigs were analyzed for anti-HEV IgG antibodies using a commercially available enzyme-linked immunoassay. Antibodies to HEV were found in 193 (45.2%) of the 427 pigs studied. A significantly higher seroprevalence was observed in slaughtered pigs (79.8%) than in backyard pigs (34.8%). Bivariate analysis showed that HEV seropositivity was associated with age, sex, breed, climate, altitude, mean annual temperature, mean annual rainfall, and farm raising. Logistic regression analysis showed that HEV seropositivity was associated with the origin (Sonora State) of pigs (OR=6.51; 95%CI: 3.74-11.32; P < 0.001), and mean annual rainfall (≤600 mm) (OR=1.78; 95%CI: 1.01-3.15; P = 0.04). A high seroprevalence of HEV infection in pigs slaughtered for human consumption in Durango City was found. This is the first report of an association between HEV seropositivity in pigs and climatic factors. Infection factors found may help for the optimal planning of preventive measures against HEV infection.

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Section: Discussioncontrasting

confidence: 80%

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confidence: 99%

Seroepidemiology of hepatitis E virus infection in pigs in Durango State, Mexico

Alvarado‐Esquivel¹,

Sánchez‐Anguiano²,

Hernández‐Tinoco³

et al. 2017

Journal of Medical Virology

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“…As expected, we observed HEV seroprevalence to increase with the number of working years among the slaughterhouse workers, which could be explained by a longer period of exposure. The results in this study are consistent with similar studies that had shown a high prevalence of HEV infections in people who work in direct contact with pigs, which demonstrate that HEV zoonotic transmissions occur through frequent contacts with pigs (Caruso et al., ; Galiana, Fernández‐Barredo, García, Gómez, & Pérez‐Gracia, ; Traoré et al., ). The results indicate that close contact with rabbits poses a risk of HEV infection.…”

Section: Discussionsupporting

confidence: 92%

High seroprevalence of hepatitis E virus in rabbit slaughterhouse workers

Yang

Zhao

Geng³

et al. 2019

Transbound Emerg Dis

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Hepatitis E virus (HEV) was first detected in rabbits in the year 2009. Rabbit HEV is now known to be widely prevalent in rabbits and tentatively assigned into genotype 3 (HEV‐3) as subgenotype‐3ra (HEV‐3ra). However, its role in human infection remains undetermined. This study was conducted to investigate the prevalence of HEV infection among rabbit slaughterhouse workers and to identify whether the workers exposed to rabbits are at a higher risk of HEV infection. Seventy‐five workers at rabbit slaughterhouses and a control group of 421 general adults in the same area in Hebei province, China, were serologically examined for anti‐HEV antibodies. HEV seroprevalences between the slaughterhouse workers and the general adults were compared. Age‐adjusted prevalence of anti‐HEV immunoglobulin G (IgG) in the rabbit slaughterhouse workers and control group was 46.1% and 10.8% respectively. The slaughterhouse workers had significantly higher seroprevalence and an approximately 6.9‐fold increased risk for being seropositive for anti‐HEV IgG as compared to the general population (odds ratio, 6.9; 95% CI: 4.3, 10.9). In slaughterhouse workers, anti‐HEV IgG positive rate was positively associated with working years; in general adults, this rate was positively associated with age. The prevalence of anti‐HEV immunoglobulin M (IgM) among exposed workers (6.7%) was significantly higher than that of control groups (1.2%). In conclusion, the seroprevalence of HEV is significantly higher in slaughterhouse workers than in general adults indicating that occupational exposure to rabbits is a potential risk factor for HEV infection.

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“…Higher seroprevalence of anti-HEV antibodies was found in swine workers and veterinarians in the United States [180,181]; in swine veterinarians in France [137] and the Netherlands [145]; in swine farmers in Sweden [182], France [137] and Moldovia [183]; and in pork butchers in Burkina Faso [184]. In addition, higher HEV seroprevalence was detected among French hunters [100] and among forestry workers in France [137,185] and Germany [186].…”

Section: Transmission Pathways Of Zoonotic Hevmentioning

confidence: 99%

Zoonotic Hepatitis E Virus: Classiﬁcation, Animal Reservoirs and Transmission Routes

Doceul

Bagdassarian

Demange

et al. 2016

Viruses

Self Cite

216

199

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During the past ten years, several new hepatitis E viruses (HEVs) have been identified in various animal species. In parallel, the number of reports of autochthonous hepatitis E in Western countries has increased as well, raising the question of what role these possible animal reservoirs play in human infections. The aim of this review is to present the recent discoveries of animal HEVs and their classification within the Hepeviridae family, their zoonotic and species barrier crossing potential, and possible use as models to study hepatitis E pathogenesis. Lastly, this review describes the transmission pathways identified from animal sources.

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Hepatitis E Virus Exposure is Increased in Pork Butchers from Burkina Faso

Cited by 33 publications

References 16 publications

Seroepidemiology of hepatitis E virus infection in pigs in Durango State, Mexico

Seroepidemiology of hepatitis E virus infection in pigs in Durango State, Mexico

High seroprevalence of hepatitis E virus in rabbit slaughterhouse workers

Zoonotic Hepatitis E Virus: Classiﬁcation, Animal Reservoirs and Transmission Routes

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