Epidemiological characteristics of human brucellosis in Hamadan Province during 2009–2015: results from the National Notifiable Diseases Surveillance System

Nematollahi, Shahrzad; Ayubi, Erfan; Karami, Manoochehr; Khazaei, Salman; Shojaeian, Masoud; Zamani, Reza; Mansori, Kamyar; Gholamaliee, Behzad

doi:10.1016/j.ijid.2017.06.002

Cited by 40 publications

(38 citation statements)

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“…The mean (± SD) of cases was about ±2.3. Our results are similar to those of a study carried out in Kiboga District, Central Uganda, in which the prevalence was higher in males (20.5%) than females [28], but the rate of brucellosis in females was high in Hamadan Province in Iran [29]. A study by Al-Eissa found that brucellosis presents in both genders of the Saudi population and that the most common way of getting brucellosis is through the consumption of untreated milk or milk products acquired mainly from infected livestock, which is a traditional practice that is upheld and represents the nutritional habits of the people [30].…”

Section: Discussionsupporting

confidence: 90%

Sero-prevalence and risk factors of brucellosis among suspected febrile patients attending a referral hospital in southern Saudi Arabia (2014–2018)

et al. 2020

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Background: Human brucellosis is an infectious zoonotic disease caused by Brucella spp. It is one of the most public health problems that remains largely neglected in developing counties, including Saudi Arabia. Brucellosis is particularly prevalent among rural people who have constant contact with livestock. Methods: A cross-sectional sero-epidemiological study conducted in Aseer Central Hospital, South Saudi Arabia, between 2014 and 2018 among 7567 patients. Serum samples were analyzed for Brucella antibodies using slide agglutination test. Serology results and patient's demographic data were analyzed by GraphPad Prism. Results were presented as mean ± SEM and differences between two groups were assessed by t-test and p < 0.05 was considered significant. Results: The prevalence of brucellosis among the admitted suspected 7567 cases was 12.8% (10.4-15.7%; CI 95%). The highest prevalence rate was detected during 2015, the rate decreased to the lowest level during the last three years (p < 0.05). Higher rate of brucellosis was observed among males than females (p < 0.05) and most cases were reported during summer season (p < 0.05). The highest prevalence rate was observed in age group 21-40 year old (40.5%) followed by 41-60 years (27.7%). The lowest prevalence rate was noticed in old and young children (15 and 3%, respectively). Cross-transmission of brucellosis was seen within family (1%) and high titers (> 1280) was noticed in 22% of the hospitalized patients. The major symptoms were fatigue, hyperhidrosis, fever and joint pain. Conclusion: Our findings showed a high prevalence of human brucellosis among suspected patients in Aseer region. This indicates that clinical suspicion is a valid criterion and the endemic nature of the disease. The disease status requires early laboratory detection and confirmation to start prompt treatment to decrease patients suffering.

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Section: Discussionsupporting

confidence: 90%

Sero-prevalence and risk factors of brucellosis among suspected febrile patients attending a referral hospital in southern Saudi Arabia (2014–2018)

et al. 2020

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“…The peak incidence occurred in early spring to early summer, and the lowest incidence usually occurred in winter. This result is similar to the results from other studies in China [15,16] and other countries, such as Italy [17][18][19]. The identification of seasonal patterns is critical to the success of control and prevention strategies [20].…”

Section: Discussionsupporting

confidence: 88%

Spatial-temporal distribution of human brucellosis in mainland China from 2004 to 2017 and an analysis of social and environmental factors

Peng

Huang

et al. 2020

Environ Health Prev Med

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Background: This study aimed to describe the changing distribution of human brucellosis between 2004 and 2017 in mainland China and seek scientific evidence of the relationship between socioeconomic , environmental, and ecological factors and human brucellosis incidence. Methods: The annual numbers of brucellosis cases and incidence rates from 31 provinces in mainland China between 2004 and 2017 were obtained from the Data-Center for China Public Health Science. The number of monthly brucellosis cases in 2018 was obtained from the Chinese Center for Disease Control and Prevention. The electronic map of the People's Republic of China was downloaded from the National Earth System Science Data Sharing Platform. Human population density, gross domestic product (GDP), and an inventory of cattle and sheep at the end of each year from 2004 to 2017 were obtained from the National Bureau of Statistics of China. Annual rainfall data from 31 provinces in the People's Republic of China from 2004 to 2017 were collected from the China Meteorological Data Service Center. The risk distribution and changing trends of human brucellosis were mapped with ArcGIS. A cluster analysis was employed to identify geographical areas and periods with statistically significant incidence rates. Multivariate linear regression was used to determine possible factors that were significantly correlated with the presence of human brucellosis cases. Results: Human brucellosis cases have spread throughout the whole country. Human brucellosis cases occurred mostly from March to August and were concentrated from April to July. The inventory of sheep, GDP, and climate were significantly correlated with the presence of brucellosis cases in mainland China. Conclusions: The geographical expansion of human brucellosis in mainland China was observed, so did the highincidence clusters between 2004 and 2017. Most of the cases were reported during the early spring to early summer (February-August). Results from the multivariate linear regression suggested that the inventory of sheep, GDP, and climate were significantly associated with the incidence of human brucellosis in mainland China.

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“…Brucellosis is a highly contagious and zoonotic bacterial disease [1]. Half of the countries with the highest rate of human brucellosis are located in the Middle East [2]. Brucellosis, also known as either "Malta fever " or" Mediterranean fever", "thousand face disease", which can have different types.…”

Section: Introductionmentioning

confidence: 99%

Design and validation of Brucellosis prevention questionnaire focused on animal vaccination

Bahadori

Ghofranipour

Ghaffarifar

et al. 2020

Preprint

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Background: Inadequate awareness of livestock breeders concerning the transmission of brucellosis and their improper knowledge with regard to the prevention of brucellosis are among important barriers to vaccinate animals against brucellosis. The aim of this study is design and validation of a Brucellosis prevention questionnaire focused on animal vaccination . This valid questionnaire is used to design, implement and evaluate an interventional training program. Methods: In this exploratory psychometric study, a brucellosis prevention questionnaire (BPQ) was developed. Face-to-face interviews were conducted to develop the initial items of BPQ. The findings from interviews were merged with those of literature review. Face, content and construct validity of BPQ were assessed by participation of livestock breeders, veterinarians and health educationists. Impact Score (IS), Content Validity Ratio (CVR) and Content Validity Index (CVI) of the items were calculated. Construct validity of BPQ was evaluated through factor analysis. Cronbach’s alpha, Intra-class correlation coefficient (ICC), composite reliability and standard error of measurement (SEM) were measured to assess the reliability of the findings by BPQ. Results: BPQ was finalized by 53 items and its validity was confirmed by CVI, CVR, and IS of 0.90, 0.74 and 4.30, respectively. The items were loaded into three constructs of awareness, attitude and practice. The predictive power of the awareness, attitude and practice was 43.43%, 15.81% and 15.78%, respectively. The fitness of the proposed model among those constructs was confirmed by Root Mean Square Error of Approximation (RMSEA) <0.08, Normed chi-square (x 2/ df) < 5.0, Comparative Fit Index (CFI) ≥ 0.90, Tucker- Lewis Index (TLI) ≥ 0.9. Conclusion: The brucellosis prevention questionnaire has acceptable psychometric properties. Applying BPQ, veterinarians and educational planners can identify factors influencing preventive behavior of livestock breeders.

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Epidemiological characteristics of human brucellosis in Hamadan Province during 2009–2015: results from the National Notifiable Diseases Surveillance System

Cited by 40 publications

References 12 publications

Sero-prevalence and risk factors of brucellosis among suspected febrile patients attending a referral hospital in southern Saudi Arabia (2014–2018)

Sero-prevalence and risk factors of brucellosis among suspected febrile patients attending a referral hospital in southern Saudi Arabia (2014–2018)

Spatial-temporal distribution of human brucellosis in mainland China from 2004 to 2017 and an analysis of social and environmental factors

Design and validation of Brucellosis prevention questionnaire focused on animal vaccination

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