What is it about?
This research investigated the prevalence and distribution of Leptospira bacteria serovars in humans and livestock (buffaloes, cattle, and pigs) across different regions of Thailand from 2010-2015. The study analyzed over 9,000 serum samples using antibody tests to determine which Leptospira serovars were most common. The researchers found that serovar Shermani was predominant across all species and regions examined. Cattle had the highest overall prevalence of Leptospira antibodies among livestock. The southern region of Thailand showed the highest prevalence overall. Statistical analysis suggested livestock may be more susceptible to serovar Shermani infection compared to humans. The study provides an updated picture of Leptospira serovar distribution in Thailand and highlights potential transmission between livestock and humans. This information can help guide public health policies and control measures to reduce the impact of leptospirosis in the country.
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Why is it important?
This study is crucial for several reasons. Firstly, it provides the most comprehensive and up-to-date overview of Leptospira serovar distribution across humans and livestock in Thailand, filling a significant knowledge gap. Understanding these patterns is vital for public health officials to develop targeted prevention and control strategies. The identification of serovar Shermani as predominant across all species and regions is a key finding that could reshape approaches to leptospirosis management. Moreover, the study's large scale and wide geographic coverage lend strength to its conclusions, making it a valuable resource for policymakers. By highlighting potential transmission pathways between livestock and humans, it underscores the importance of a One Health approach in tackling this zoonotic disease. Ultimately, this research has the potential to significantly impact public health measures, reducing the burden of leptospirosis in Thailand and potentially informing strategies in other endemic regions.
Perspectives
This comprehensive study on Leptospira serovars in Thailand provides valuable insights into the epidemiology of leptospirosis, a significant but often neglected tropical disease. By identifying serovar Shermani as predominant across humans and livestock, the research highlights potential interspecies transmission pathways and underscores the need for integrated human-animal health approaches. While the study's reliance on passive surveillance data may have some limitations, its large scale and broad geographic coverage make it a crucial resource for guiding public health policies and control measures, potentially leading to more effective strategies for reducing the impact of leptospirosis in Thailand and beyond.
Assoc. Prof. Charin Modchang
Mahidol University
Read the Original
This page is a summary of: Investigation on predominant Leptospira serovars and its distribution in humans and livestock in Thailand, 2010-2015, PLoS Neglected Tropical Diseases, February 2017, PLOS,
DOI: 10.1371/journal.pntd.0005228.
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