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  • Title: Molecular epidemiology of Coxiella burnetii infection in sheep and goats in Henan province, China.
    Author: Liu H, Zhan Y, Yi SH, Yang CC, Lei QL, Shao JW.
    Journal: Acta Trop; 2024 Feb; 250():107109. PubMed ID: 38151070.
    Abstract:
    Q fever is a significant zoonotic disease caused by Coxiella burnetii, an obligate intracellular gram-negative bacterium. Although C. burnetii infection has been identified in various animal species, domestic ruminants serve as the primary reservoirs and main sources of human infection. Understanding of the epidemiology of C. burnetii in domestic ruminants is crucial for preventing and controlling of C. burnetii infection in humans. In this study, spleen tissues from sheep and goats were collected in Hennan province, China. Through PCR screening, C. burnetii was detected in sheep and goats in Henan province with an overall infection rate of 6.8 %. Sequence comparison and phylogenetic analysis revealed that all newly identified C. burnetii strains shared a close genetic relationship with those found in humans worldwide. These findings highlight the high risk of C. burnetii infection among slaughterhouse workers and emphasize the importance of epidemiological studies that investigate samples from both humans and animals within the "One Health" framework. Such surveillance will contribute to a better understanding of the epidemic situation and aid in the development of effective prevention and control strategies for C. burnetii infections in humans.
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