Analysis of a Trichinellosis Outbreak in Poland after Consumption of Sausage Made of Wild Boar Meat

Różycki, Mirosław; Korpysa‐Dzirba, Weronika; Bełcik, Aneta; Pelec, Tomasz; Mazurek, Justyna; Cencek, Tomasz

doi:10.3390/jcm11030485

Cited by 12 publications

(9 citation statements)

References 26 publications

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“…In Europe, wild boar meat has been responsible for many reported human outbreaks and is considered an important source of human trichinellosis, along with pork meat. Recreational hunting and consumption of undercooked wild boar meat have increased the risk of acquiring trichinellosis, especially for hunters, their families and friends [2,[40][41][42]. In the present study, we found that pork and wild boar-consumed meat products came from non-commercial sources or privately raised animals.…”

Section: Discussionmentioning

confidence: 48%

Trichinellosis in Hospitalized Children and Adults from Western Romania: A 11-Year Retrospective Study

Pavel

Ursoniu

Lupu

et al. 2023

Life

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Trichinellosis, a serious and sometimes fatal human disease, is a consequence of consuming raw or improperly cooked meat containing the infective larvae of Trichinella spp. The aim of this observational cohort retrospective study is to compare the epidemiological, laboratory, clinical and therapeutic aspects of trichinellosis in children and adults from Western Romania. We investigated the medical records of patients who were diagnosed with trichinellosis and hospitalized between 17 January 2010 and 31 December 2020. One hundred thirty-three patients were identified according to the electronic databases of infectious disease hospitals, located in four counties from Western Romania. A total of 19 patients (14.28%) were children and 114 patients (85.71%) were adults. In children, the most frequent symptoms were digestive in 78.94%, followed by fever in 57.89%, eyelid or facial edema in 57.89% and myalgia in 52.63% of cases, while adults presented mainly myalgia in 87.71%, followed by fever in 77.19%, digestive symptoms in 68.42% and eyelid or facial edema in 66.66% of cases. The source of infection was pork meat products in the majority of patients (89.47%). Our results revealed a general declining trend in infection rates for both children and adults during the studied period. The vast majority of cases were severe and all required hospitalization. Education of the population along with public health strategies should be improved and maintained to fully prevent trichinellosis in Western Romania.

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Section: Discussionmentioning

confidence: 48%

Trichinellosis in Hospitalized Children and Adults from Western Romania: A 11-Year Retrospective Study

Pavel

Ursoniu

Lupu

et al. 2023

Life

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“…Nevertheless, our results suggest that both syl- as the source of infection (Messiaen et al, 2016). Other human outbreaks associated with consumption of wild boar meat have been widely reported worldwide (De et al, 2015;Holzhauer et al, 2014;Kim et al, 2011;Rózycki et al, 2022).…”

Section: Discussionmentioning

confidence: 55%

“…In addition, a major human outbreak of trichinellosis occurred in Belgium in 2014 and the ensuing investigation identified wild boar meat imported from Spain, as the source of infection (Messiaen et al., 2016). Other human outbreaks associated with consumption of wild boar meat have been widely reported worldwide (De et al., 2015; Holzhauer et al., 2014; Kim et al., 2011; Rózycki et al., 2022).…”

Section: Discussionmentioning

confidence: 99%

Serosurveillance of Trichinella sp. in wild boar and Iberian domestic suids in Mediterranean ecosystems of southwestern Spain

Buffoni,

Cano‐Terriza,

Jiménez‐Martín

et al. 2023

Zoonoses and Public Health

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AimsA cross‐sectional study was carried out to assess the seroprevalence and risk factors associated with Trichinella spp. exposure in wild boar and Iberian domestic pigs from Mediterranean ecosystems of southwestern Spain.Methods and ResultsSerum samples from 1360 wild boar and 439 Iberian domestic pigs were obtained during 2015–2020, from regions where Iberian pigs are raised under extensive conditions, hence sharing habitat with wild boar. Seropositivity was found in 7.4% (100/1360; 95% CI: 6.1–8.9) of the wild boar analysed. In this species, the individual seroprevalence ranged from 3.6% (8/223) (hunting season 2016–2017) to 11.4% (37/326) (2018–2019). A significant higher seropositivity was observed during the hunting season 2018–2019 (p < 0.009: OR = 3.07; 95% CI = 1.32–7.18) and one statistically significant cluster was detected within the studied area, in south central Andalusia [Relative Risk (RR) = 2.9; p = 0.037]. Females showed a significantly higher seroprevalence than males (8.7% vs. 5.8%) (p < 0.001: OR = 1.58; 95% CI = 1.08–2.32). No seropositivity to Trichinella spp. was detected in Iberian domestic pigs (0.0%; 95% CI: 0.0–0.9).ConclusionsAlthough wild boar play an important role as a reservoir of Trichinella sp. in the Mediterranean ecosystems of southwestern Spain, our results suggest that the wild boar production system does not seem to pose a risk of Trichinella exposure to domestic pigs, despite sharing habitats in these ecosystems.

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“…In recent years, the majority of cases of human trichinellosis have been caused by the consumption of the infected meat of wild boars, which are hunted illegally and not examined for the presence of Trichinella spp. [ 9 , 10 , 11 ]. The increasing percentage of infected wild boars poses further risks to humans.…”

Section: Introductionmentioning

confidence: 99%

Scheme of Effective Epidemiological Investigations in Trichinella Outbreaks on Pig Farms

Bilska–Zając

Korpysa‐Dzirba

Bełcik

et al. 2023

Foods

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Trichinellosis is a parasitic, zoonotic disease caused by larvae of the genus Trichinella. Infection occurs via the consumption of raw or undercooked meat containing this parasite. Symptoms of the disease manifest as intestinal disorders, followed by facial swelling, fever, muscle pain and other symptoms, eventually leading to neurological and cardiac complications and even death. In Europe, trichinellosis is most often associated with the consumption of meat from wild boars, pigs and horses. In recent years, wild boars that are hunted illegally and not tested for Trichinella spp. have been the most common cause of trichinellosis in humans; however, there have also been cases where infected pigs have been the source of infection. When trichinellosis is suspected in humans, epidemiological measures are taken to identify the source. Similarly, an epidemiological investigation should be initiated whenever Trichinella spp. has been detected in pigs. However, commonly used actions do not provide sufficient data to determine the source of infection for pigs and to prevent further transmission. Therefore, in this article, we propose a scheme for effective epidemiological investigations into Trichinella outbreaks on pig farms that can help trace the transmission mechanisms of the parasite and that takes into account currently available testing tools. The proposed pathway can be easily adopted for epidemiological investigations in routine veterinary inspection work.

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Analysis of a Trichinellosis Outbreak in Poland after Consumption of Sausage Made of Wild Boar Meat

Cited by 12 publications

References 26 publications

Trichinellosis in Hospitalized Children and Adults from Western Romania: A 11-Year Retrospective Study

Trichinellosis in Hospitalized Children and Adults from Western Romania: A 11-Year Retrospective Study

Serosurveillance of Trichinella sp. in wild boar and Iberian domestic suids in Mediterranean ecosystems of southwestern Spain

Scheme of Effective Epidemiological Investigations in Trichinella Outbreaks on Pig Farms

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