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An Overview of Camel Brucellosis and Its Impact on Human Health in Endemic Regions
Ahmed Abdel-Rady1,2, Hanin Ashraf Abu-Seida3, Ashraf M Abu-Seida4,5
1Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt.
Background:
Camel brucellosis is a zoonotic disease caused by the genus Brucella and has significant economic and public health effects worldwide, particularly in areas where camels play a significant role in the pastoral economy. This review describes the epidemiological aspects of camel brucellosis and its impact on human health.
Methods:
A comprehensive literature search was performed using PubMed, Web of Science, Scopus, and Google Scholar databases to locate studies on camel brucellosis for recognizing its epidemiological aspects and impact on human health. The search included 274 documents.
Results:
The disease results in reduced milk output, reproductive failures, arthritis, and financial losses for farmers. The seroprevalence of camel brucellosis across the camel-rearing countries is alarming and ranges between 0.4 and 37.5%. Sudan and the Kingdom of Saudi Arabia are the most affected countries with camel brucellosis. Three species were isolated from diseased camels, including B. abortus, B. melitensis, and B. suis. The potential risk factors of camel brucellosis include age, body condition, gender, physiological status and breed of the camel, herd size, contact with cattle and small ruminants, management, history of abortion, locality, and season. Accurate diagnosis of camel brucellosis is essential for effective management of the disease. Serodiagnosis is still one of the most used techniques for identifying the affected animals.
Conclusions:
A one health strategy is required from the governments, animal health professionals, and other stakeholders to combat the disease. This strategy includes enhancing veterinary care, increasing public and herders awareness toward the zoonotic importance of the disease as well as value of biosecurity procedures, and putting in place efficient immunization programs aimed at high-risk groups. Due to the socioeconomic impact of camel brucellosis, it is crucial to understand its epidemiology and potential risk factors to implement effective control strategies.
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