Epidemiological Profile of Human Brucellosis in Jordan, 2017

  • Zoonotic
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Human Brucellosis (HB) is a zoonosis and re-emerging disease that is common in Mediterranean countries. In Jordan, HB is endemic in all parts of Jordan according to Ministry of Health (MoH) data and becomes more extensive during the animal delivery seasons (spring and summer). This study aimed to estimate the incidence rate and epidemiological features of brucellosis in Jordan in the year 2017 and determine the associated factors with HB.

This study included all confirmed cases of HB that were reported to Jordan Ministry of Health in 2017. All patients with clinical complaints compatible to HB and confirmed by a Rose Bengal test (RBT) positive and\or standard tube agglutination test (SAT) at least 1/160 or more were included in this study. Data obtained included information on the possible source of the disease and demographic, epidemiological, and laboratory characteristics.

A total of 441 confirmed cases of HB were reported with an incidence rate of 6.6 cases per 100000 population. The peak incidence was during the months of March, April, and May. Cases in Mafraq and Alkarak governorates were significantly higher than those in the other governorates. Male gender (OR 2.5, 95% CI: 1.4, 4.1), age older than 10 years (OR 1.8, 95% CI: 1.1, 3.9), and assisting in raising small ruminants (OR 1.6, 95% CI: 1.1, 2.6) were significantly associated with HB in Jordan.

The overall incidence of HB is Jordan is 6.6 cases per 100000 population. Male gender and age older than 10 years were significantly associated with HB. Small ruminants were the main source of human infection. Control strategies in Jordan should be performed by adopting a One Health approach.

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