Rift Valley fever seroprevalence and abortion frequency among livestock of Kisoro district, South Western Uganda (2016): a prerequisite for zoonotic infection

Budasha, Ngabo Herbert; Gonzalez, Jean‐Paul; Sebhatu, Tesfaalem Tekleghiorghis; Ezama, Arnold

doi:10.1186/s12917-018-1596-8

Cited by 26 publications

(27 citation statements)

References 36 publications

(37 reference statements)

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“…Ntwetwe virus was most likely referred to as an arbovirus vectored by Anopheles mosquitoes. There has not been any other case of Ntwetwe virus from this region; hence, the case of this girl child was a rare and unique Pathogens 2020, 9,301 16 of 83 event. The study suggested that mosquitoes or an animal reservoir might be the probable source of transmission of this virus disease [74].…”

Section: Ugandamentioning

confidence: 83%

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Systematic Review of Important Viral Diseases in Africa in Light of the ‘One Health’ Concept

et al. 2020

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Emerging and re-emerging viral diseases are of great public health concern. The recent emergence of Severe Acute Respiratory Syndrome (SARS) related coronavirus (SARS-CoV-2) in December 2019 in China, which causes COVID-19 disease in humans, and its current spread to several countries, leading to the first pandemic in history to be caused by a coronavirus, highlights the significance of zoonotic viral diseases. Rift Valley fever, rabies, West Nile, chikungunya, dengue, yellow fever, Crimean-Congo hemorrhagic fever, Ebola, and influenza viruses among many other viruses have been reported from different African countries. The paucity of information, lack of knowledge, limited resources, and climate change, coupled with cultural traditions make the African continent a hotspot for vector-borne and zoonotic viral diseases, which may spread globally. Currently, there is no information available on the status of virus diseases in Africa. This systematic review highlights the available information about viral diseases, including zoonotic and vector-borne diseases, reported in Africa. The findings will help us understand the trend of emerging and re-emerging virus diseases within the African continent. The findings recommend active surveillance of viral diseases and strict implementation of One Health measures in Africa to improve human public health and reduce the possibility of potential pandemics due to zoonotic viruses.

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Section: Ugandamentioning

confidence: 83%

“…The results revealed that 70 cattle were seropositive for RVFV along with 22 sheep and 12 goats. The outcome of this investigation suspected the zoonotic spread of the disease in Kisoro district [9].…”

Section: Ugandamentioning

confidence: 84%

Systematic Review of Important Viral Diseases in Africa in Light of the ‘One Health’ Concept

et al. 2020

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“…These results indicate that livestock could be involved in the amplification of RVFV in Gezira. The most infected species was goats, while in other RVF outbreaks, such as in Uganda, cattle played a more important role [10]. Unfortunately, the result of the survey was not distributed at the locality level of Gezira state in order to incorporate it in Fig.…”

Section: Discussionmentioning

confidence: 99%

“…RVF causes serious health and economic problems. In animals, RVF affects different species and causes death particularly in lambs [9], and in pregnant livestock, RVF can cause abortion [9, 10]. This often leads to severe socioeconomic impacts in affected countries [11–13].…”

Section: Introductionmentioning

confidence: 99%

A One Health perspective to identify environmental factors that affect Rift Valley fever transmission in Gezira state, Central Sudan

Bashir

Hassan

2019

Trop Med Health

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BackgroundRift Valley fever (RVF) is a zoonotic viral vector-borne disease that affects both animals and humans and leads to severe economic consequences. RVF outbreaks are triggered by a favorable environment and flooding, which enable mosquitoes to proliferate and spread the virus further. RVF is endemic to Africa and has spread to Saudi Arabia and Yemen. There is great concern that RVF may spread to previously unaffected geographic regions due to climate change. We aimed to better understand the spatiotemporal pattern of the 2007 RVF outbreak at the human–animal–environment interface and to determine environmental factors that may have effects on RVF occurrence in Gezira state, Sudan.Materials and methodsWe compiled epidemiological, environmental, and spatiotemporal data across time and space using remote sensing and a geographical information system (GIS). The epidemiological data included 430 RVF human cases as well as human and animal population demographic data for each locality. The cases were collected from 41 locations in Gezira state. The environmental data represent classified land cover during 2007, the year of the RVF outbreak, and the average of the Normalized Difference Vegetation Index (NDVI) for 6 months of 2007 is compared with those of 2010 and 2014, when there was no RVF outbreak. To determine the effect of the environmental factors such as NDVI, soil type, and RVF case’s location on the Blue Nile riverbank on RVF incidence in Gezira state, a multilevel logistic regression model was carried out.ResultsWe found that the outbreak in Gezira state occurred as a result of interaction among animals, humans, and the environment. The multilevel logistic regression model (F = 43,858, df = 3, p = 0.000) explained 23% of the variance in RVF incidence due to the explanatory variables. Notably, soil type (β = 0.613, t = 11.284, p = 0.000) and NDVI (β = − 0.165, t = − 3.254, p = 0.001) were the explanatory environmental factors that had significant effects on RVF incidence in 2007 in Gezira state, Sudan.ConclusionsPrecise remote sensing and the GIS technique, which rely on environmental indices such as NDVI and soil type that are satellite-derived, can contribute to establishing an early warning system for RVF in Sudan.Future preparedness and strengthening the capacity of regional laboratories are necessary for early notification of outbreaks in animals and humans.

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“…The age of the animal plays an important role in an animal’s susceptibility to a severe form of RVF [ 29 ]. For example, the mortality rate in lamb and adult sheep was 90% and 20–60%, respectively, while the abortion in pregnant ewes can reach 100% [ 30 ]. The disease was less severe in cattle and camels with a 10–30% mortality rate and the abortion rate in pregnant cows was 30–40% [ 31 ].…”

Section: Epidemiology Of Rvfmentioning

confidence: 99%

The One Health Approach is Necessary for the Control of Rift Valley Fever Infections in Egypt: A Comprehensive Review

Fawzy

Helmy

2019

Viruses

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Rift Valley fever (RVF) is an emerging transboundary, mosquito-borne, zoonotic viral disease caused high morbidity and mortality in both human and ruminant populations. It is considered an important threat to both agriculture and public health in African and the Middle Eastern countries including Egypt. Five major RVF epidemics have been reported in Egypt (1977, 1993, 1994, 1997, and 2003). The virus is transmitted in Egypt by different mosquito's genera such as Aedes, Culex, Anopheles, and Mansonia, leading to abortions in susceptible animal hosts especially sheep, goat, cattle, and buffaloes. Recurrent RVF outbreaks in Egypt have been attributed in part to the lack of routine surveillance for the virus. These periodic epizootics have resulted in severe economic losses. We posit that there is a critical need for new approaches to RVF control that will prevent or at least reduce future morbidity and economic stress. One Health is an integrated approach for the understanding and management of animal, human, and environmental determinants of complex problems such as RVF. Employing the One Health approach, one might engage local communities in surveillance and control of RVF efforts, rather than continuing their current status as passive victims of the periodic RVF incursions. This review focuses upon endemic and epidemic status of RVF in Egypt, the virus vectors and their ecology, transmission dynamics, risk factors, and the ecology of the RVF at the animal/human interface, prevention, and control measures, and the use of environmental and climate data in surveillance systems to predict disease outbreaks.

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Rift Valley fever seroprevalence and abortion frequency among livestock of Kisoro district, South Western Uganda (2016): a prerequisite for zoonotic infection

Cited by 26 publications

References 36 publications

Systematic Review of Important Viral Diseases in Africa in Light of the ‘One Health’ Concept

Systematic Review of Important Viral Diseases in Africa in Light of the ‘One Health’ Concept

A One Health perspective to identify environmental factors that affect Rift Valley fever transmission in Gezira state, Central Sudan

The One Health Approach is Necessary for the Control of Rift Valley Fever Infections in Egypt: A Comprehensive Review

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