western tanzania
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PLoS ONE ◽  
2022 ◽  
Vol 17 (1) ◽  
pp. e0262481
Author(s):  
Bethan Mason ◽  
Alex K. Piel ◽  
David Modrý ◽  
Klára J. Petrželková ◽  
Fiona A. Stewart ◽  
...  

Human disturbance is an ongoing threat to many wildlife species, manifesting as habitat destruction, resource overuse, or increased disease exposure, among others. With increasing human: non-human primate (NHP) encounters, NHPs are increasingly susceptible to human-introduced diseases, including those with parasitic origins. As such, epidemiology of parasitic disease is becoming an important consideration for NHP conservation strategies. To investigate the relationship between parasite infections and human disturbance we studied yellow baboons (Papio cynocephalus) living outside of national park boundaries in western Tanzania, collecting 135 fresh faecal samples from nine troops occupying areas with varying levels of human disturbance. We fixed all samples in 10% formalin and later evaluated parasite prevalence and abundance (of isotrichid ciliates and Strongylida). We identified seven protozoan and four helminth taxa. Taxa showed varied relationships with human disturbance, baboon troop size and host age. In four taxa, we found a positive association between prevalence and troop size. We also report a trend towards higher parasite prevalence of two taxa in less disturbed areas. To the contrary, high levels of human disturbance predicted increased abundance of isotrichid ciliates, although no relationship was found between disturbance and Strongylida abundance. Our results provide mixed evidence that human disturbance is associated with NHP parasite infections, highlighting the need to consider monitoring parasite infections when developing NHP conservation strategies.


2021 ◽  
Vol 47 (3) ◽  
pp. 1225-1235
Author(s):  
Jestina V Katandukila ◽  
Yeremia J Chuhila ◽  
Fred D Chibwana

Brucellosis, a zoonotic disease transmitted by Brucella species, is transmitted to humans from infected animals through handling dairy products like milk, blood, and semen. Although some human communities in Tanzania live close to livestock, the status of human brucellosis in Ngara and Kibondo Districts in Kagera and Kigoma regions, respectively, is poorly understood. As such, the present study aimed to investigate the status of human brucellosis in north-western Tanzania, particularly Ngara and Kibondo Districts, where the risk of contracting zoonotic diseases, including brucellosis, is high due to the abundance of livestock. Among the screened sera (n = 450), the prevalence was 13.11% with an incidence rate of 6.22% in 581,378 population size intimating that the risk is alarming. Brucellosis patients admitted in dispensaries and other lower health facilities ranged from 6% to 26%, while those admitted in hospitals ranged from 4% to 14%  indicating that communities prefer primary health facilities to hospitals when they show symptoms of brucellosis. The present study has also revealed that communities engaged in slaughtering, milking, skinning and helpers during births of livestock are at high risk of acquiring Brucella spp. because the odds ratios’ of these activities range between 1.583 and 8.400. Therefore, awareness and education should be enhanced by veterinary officers and associated stakeholders. A comprehensive study of brucellosis using molecular techniques to reveal species-specific in north-western Tanzania is highly recommended. Keywords: brucellosis; prevalence; incidence; risk factors; serum


Author(s):  
Olivier E van der Cammen ◽  
Steve P Chobo ◽  
Justine S Kasitu ◽  
Ipyana Mwampagatwa ◽  
Rob Mooij ◽  
...  

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Humphrey Deogratias Mazigo ◽  
Cecilia Uisso ◽  
Paul Kazyoba ◽  
Upendo J. Mwingira

Abstract Background The World Health Organization (WHO) calls for schistosomiasis endemic countries to integrate schistosomiasis control measures into the primary health care (PHC) services; however, in Tanzania, little is known about the capacity of the primary health care system to assume this role. The objective of this study was to assess the capacity of the primary health care system to diagnose and treat schistosomiasis in endemic regions of north-western Tanzania. Methods A total of 80 randomly-selected primary health care facilities located in the Uyui, Geita and Ukerewe districts of North-western Tanzania participated in the study. At each facility, the in-charge clinician, or any other healthcare worker appointed by the in-charge clinician, participated in the questionnaire survey. A quantitative questionnaire installed in a Data Tool Kit software was used to collect data. Healthcare workers working at various stations (laboratory, pharmacy, data clerks, outpatient section) were interviewed. The questionnaire collected information related to healthcare workers’ knowledge about urogenital and intestinal schistosomiasis symptoms, human and material resources, laboratory services, data capture, and anti-schistosomiasis treatment availability. Results A total of 80 healthcare workers were interviewed. Bloody stool (78.3 %) and haematuria (98.7 %) were the most common symptoms of intestinal and urogenital schistosomiasis mentioned by healthcare workers. Knowledge on the chronic symptoms such as hepatosplenomegaly and hematemesis for intestinal schistosomiasis, and oliguria and dysuria for urogenital schistosomiasis, were inadequate. Laboratory services were only available in 33.8 % (27/80) of the health facilities and direct wet preparation was the most common diagnostic technique used for both urine and stool samples. All healthcare workers knew that praziquantel was the drug of choice for the treatment of schistosomiasis and the drug was available in 91.3 % (73/80) of the health facilities. Conclusions The capacity of the primary health care facilities included in the current study is inadequate in terms of diagnosis, treatment, reporting and healthcare workers’ knowledge of schistosomiasis. Thus, the integration of schistosomiasis control activities into the primary healthcare system requires these gaps to be addressed.


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