<i>Coxiella burnetii</i> Seroprevalence of Shepherds and Their Flocks in the Lower Saint‐Lawrence River Region of Quebec, Canada

Dolcé, Patrick; Bélanger, Marie-Joële; Tumanowicz, Krzysztof; Gauthier, Claude P; Jutras, Philippe; Massé, Raymond; Montpetit, C.; Bernatchez, Harold; McColl, Dorothy; Artsob, Harvey

doi:10.1155/2003/504796

Cited by 12 publications

(7 citation statements)

References 20 publications

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“…The lower seropositivity ratio of humans obtained in this study, according to that of animals, is compatible with the findings of various studies (Dolcé et al, 2003;Scrimgeour et al, 2003) that were done before. It is well known that, there are many transmission patterns of C. burnetii including inhalation of contaminated aerosols, contact with the infected animals depending on duration, and consumption of raw milk products (Casolin, 1999).…”

Section: Discussionsupporting

confidence: 93%

Seroprevalance of Coxiellosis in cows, sheep, goats and humans in Diyarbakir region of Turkey

Arserim¹

2011

Afr. J. Microbiol. Res.

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This study aims at determining the seroprevalance of Coxiella burnetii in cows, sheep, goats and staff, working in the stock breeding sector in Diyarbakir region. Therefore, C. burnetii antibodies were investigated in sera samples of 612 sheep, 700 goats, 584 cows and 90 staff by enzyme-linked immunosorbent assays (ELISA). In the study, seropositivity was obtained as 25.4, 38.6, 20.0 and 6.6% in sheep, goats, cows and stockbreeding staff, respectively. Consequently, C. burnetii seropositivity, whether in people or in animals, had a ratio that should not be ignored in Diyarbakir region. Abort cases in ruminant should be assessed from the viewpoint of Coxiellosis. Also, people, especially those who are in risk group, should be made to be conscious of Coxiellosis infection, and measures for preventing this illness should be taken.

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Section: Discussionsupporting

confidence: 93%

Seroprevalance of Coxiellosis in cows, sheep, goats and humans in Diyarbakir region of Turkey

Arserim¹

2011

Afr. J. Microbiol. Res.

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“…Seroprevalences in shepherds are generally 29%–59%22 23 and in veterinarians 10%–75% 24 25. However, these wide ranges are, in part, illusory because the values result from very different assays, in-house tests and even from tests using different cut-off values.…”

Section: Discussionmentioning

confidence: 99%

Who is at risk of occupational Q fever: new insights from a multi-profession cross-sectional study

Groten¹,

Kuenzer²,

Moog³

et al. 2020

BMJ Open

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ObjectivesQ fever is a zoonosis caused by the bacteriumCoxiella burnetii. It is recognised as an occupational hazard for individuals who are in regular contact with animal birth products. Data from the literature are not comparable because different serological assays perform very differently in detecting past infections. It is therefore essential to choose the right assay for obtaining reliable data of seroprevalence. Obstetricians are another profession potentially at risk of Q fever. They can be infected from birth products of women with Q fever during pregnancy. There is little data, however, for Q fever in this occupational group. Our study therefore had two purposes. The first was to obtain reliable seroprevalence data for occupational groups in regular contact with animal birth products by using an assay with proven excellent sensitivity and specificity for detecting past infections. The second purpose was to obtain primary data for obstetricians.DesignWe carried out a cross-sectional study.SettingThe study included shepherds, cattle farmers, veterinarians and obstetricians from Thuringia.Participants77 shepherds, 74 veterinarians, 14 cattle farmers, 17 office employees and 68 obstetricians participated. The control group consisted of 92 blood donors.Primary outcome measureThe primary outcome measure wasC. burnetiiphase II specific IgG. The assay used was evaluated for this purpose in a previous study.ResultsOf the 250 blood samples we analysed, the very highest seroprevalences (64%–77%) occurred in individuals with frequent animal contact. There were no significant differences between shepherds, cattle farmers and veterinarians. The seroprevalence in people working in administration was lower but still significantly greater than the control. No obstetricians or midwives tested positive.ConclusionsShepherds, cattle farmers and veterinarians have a high risk ofC. burnetiiinfection. However, our study clearly proves that there was no increased risk for people working in an obstetric department.

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“…However, since the 1990s, reports of Q fever in Nova Scotia have declined to approximately 4-5 reported cases annually (Marrie et al 2008). The largest number of cases now appear to occur in the province of Québec, consistent with the large number of sheep herds in this area of Canada (Dolce et al 2003). Because Q fever is not a notifiable disease in Canada, the actual number of Q fever cases diagnosed annually is unknown.…”

Section: Mycoplasma Haemocanismentioning

confidence: 99%

The Biological Survey of Canada: A Personal History

Danks¹

2017

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Coxiella burnetii Seroprevalence of Shepherds and Their Flocks in the Lower Saint‐Lawrence River Region of Quebec, Canada

Abstract: Q fever is highly prevalent in the LSLRR of Quebec, affecting 89% of the flocks and 28% of the shepherds. Shepherds in this region are at increased risk for C burnetii infection in comparison to the general population.

Cited by 12 publications

References 20 publications

Seroprevalance of Coxiellosis in cows, sheep, goats and humans in Diyarbakir region of Turkey

Seroprevalance of Coxiellosis in cows, sheep, goats and humans in Diyarbakir region of Turkey

Who is at risk of occupational Q fever: new insights from a multi-profession cross-sectional study

The Biological Survey of Canada: A Personal History

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