scholarly journals Active Surveillance in the investigation and analysis of RVFin Western and Central Uganda

2019 ◽  
Vol 11 (1) ◽  
Author(s):  
Mary Nanfuka ◽  
Milton Bahati ◽  
Eugene Arinaitwe
Keyword(s):  
Rift Valley ◽  
Rift Valley Fever ◽  
One Health ◽  
Emerging Diseases ◽  
Zoonotic Diseases ◽  
Valley Fever ◽  
The People ◽  
Igm Elisa ◽  
The One ◽  
Western Uganda

ObjectiveTo detect presence of circulating Rift Valley Fever virus (RVFv) in animals of Western and Central Uganda following its confirmation in humans.To establish and communicate reliable information using the one health platformSignificnce:Although in E. Africa RVF was initially detected and known to be a disease endermic in Kenya, the people in Uganda were still hesitating wether the disease is already in existence. Following its first detection in 2016 in Humans there was need to carry out an investigation in the hot spot areas of the human infection to get the real picture and to inform the policy makers for informed decisions.IntroductionRift Valley fiver is viral zoonotic disease which was investigated and reported in Uganda in 20101. For some time now people are not aware whether the disease was still circulating or emerged in animals reared as a result of the inter country trade by the community of the cattle corridor in Uganda, since the last reports in 19682. The increase in the number of disease outbreaks in some parts of central and western Uganda from 2016 to date and the number of human patients investigated, diagnosed and confirmed with RVF by Ministry Of Health (MOH) under the one health program, has placed the disease to be among the top re-emerging diseases in the country3&4 and number 5 of the Multisectoral prioritization of zoonotic diseases in Uganda, 2017 under One Health perspective6.MethodsRift valley Fever was investigated in cattle, goats and sheep of Gomba,Mityana, Kiboga and Kiruhura in Central and Western Uganda. This followed 2 people that had been confirmed with RVF in 20161 Samples were aseptically collected from hot places from 543 victim’s animals including those of the neighbouring areas covering the victims routes of movement plus those areas where people were still sick and where death had reportedly occurred. Samples were then delivered to NADDEC laboratory from where tests were conducted.ResultsSamples were screened using a competition IgG ELISA, then IgM ELISA to capture the recently infected animals. The positive samples from the IgM ELISA were then confirmed using RT-PCR; 169/543 (31%) tested positive to IgG screening ELISA indicating exposure to RVF. The actual infection was found to be 13% (22/169) with IgM ELISA and 3/22 (13.6%) with RT-PCR.ConclusionsZoonotic diseases continue to be a public health burden to the people of Uganda. Considering some people’s behavior of eating the sick and dead animals, has posed a difficult situation to combat the ailment which has resulted in negative socioeconomic impacts, affecting the national policies that range from health security to control of diseases. Uganda has however developed capacity to investigate, test and confirm RVF disease. Since exposure was found in all animal species, detailed active surveillance plan and procedures have been set up to investigate any additional cases in animals to reduce chances of spread to humans and to cub international spread and also to determine the magnitude of exposure.References1 Nabukenya, Investigation and response to Rift Valley Fever and Yellow Fever outbreaks in humans in Uganda, 20162 Nyakarahuka L.prevalence and risk factors of Rift valley in humans and animals from kabale, 20163 Wang LF, Crameri G.Emerging zoonotic viral diseases.Rev Sci Tech Int Epiz.2014;33Institute of Medicine (U.S.), Committee on Achieving Sustainable Global Capacity for surveillance and4 Response to Emerging Diseases of Zoonotic Origin, Keusch G. Sustaining global surveillance and response to emerging zoonotic diseases, 20095 Musa Sekamatte, Vikram K.Multisectoral prioritization of zoonotic diseases in Uganda, 2017, A One Health perspective6 Munyua P, Bitek A, Osoro E, Pieracci EG, Muema J,Mwatondo A,et al, Prioritization of Zoonotic Diseases in Kenya,2015. PLOS ONE. 2016;11:e0161576. http://doi.org/10.1371/journal.pone.0161576 PMID:27557120 

scholarly journals Rift Valley fever and Brucella spp. in ruminants, Somalia

2021 ◽  
Vol 17 (1) ◽  
Author(s):  
Ahmed A. Hassan-Kadle ◽  
Aamir M. Osman ◽  
Mohamed A. Shair ◽  
Omar M. Abdi ◽  
Abdulkarim A. Yusuf ◽  
...  
Keyword(s):  
Public Health ◽  
Rift Valley ◽  
Rift Valley Fever ◽  
One Health ◽  
Zoonotic Diseases ◽  
Limited Data ◽  
Serological Evidence ◽  
Serum Samples ◽  
Valley Fever ◽  
Female Cattle

Abstract Background Fourteen-years after the last Rift Valley fever (RVF) virus (RVFV) outbreak, Somalia still suffers from preventable transboundary diseases. The tradition of unheated milk consumption and handling of aborted materials poses a public health risk for zoonotic diseases. Limited data are available on RVF and Brucella spp. in Somali people and their animals. Hence, this study has evaluated the occurrence of RVFV and Brucella spp. antibodies in cattle, goats and sheep sera from Afgoye and Jowhar districts of Somalia. Methods Serum samples from 609 ruminants (201 cattle, 203 goats and 205 sheep), were serologically screened for RVF by a commercial cELISA, and Brucella species by modified Rose Bengal Plate Test (mRBPT) and a commercial iELISA. Results Two out of 609 (0.3 %; 95 %CI: 0.04–1.2 %) ruminants were RVF seropositive, both were female cattle from both districts. Anti-Brucella spp. antibodies were detected in 64/609 (10.5 %; 95 %CI: 8.2–13.2 %) ruminants by mRBPT, which were 39/201 (19.4 %) cattle, 16/203 (7.9 %) goats and 9/205 (4.4 %) sheep. Cattle were 5.2 and 2.8 times more likely to be Brucella-seropositive than sheep (p = 0.000003) and goats (p = 0.001), respectively. When mRBPT-positive samples were tested by iELISA, 29/64 (45.3 %; 95 %CI: 32.8–58.3 %) ruminant sera were positive for Brucella spp. Only 23/39 (58.9 %) cattle sera and 6/16 (37.5 %) goat sera were positive to Brucella spp. by iELISA. Conclusions The present study showed the serological evidence of RVF and brucellosis in ruminants from Afgoye and Jowhar districts of Somalia. Considering the negligence of the zoonotic diseases at the human-animal interface in Somali communities, a One Health approach is needed to protect public health.

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

Viruses ◽  
2019 ◽  
Vol 11 (2) ◽  
pp. 139 ◽  
Author(s):  
Mohamed Fawzy ◽  
Yosra A. Helmy
Keyword(s):  
Rift Valley ◽  
Rift Valley Fever ◽  
One Health ◽  
Economic Stress ◽  
Current Status ◽  
Economic Losses ◽  
High Morbidity ◽  
Valley Fever ◽  
The One ◽  
And Control

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.

scholarly journals Benefits of a one health approach: An example using Rift Valley fever

One Health ◽  
2018 ◽  
Vol 5 ◽  
pp. 34-36 ◽  
Author(s):  
Melinda K. Rostal ◽  
Noam Ross ◽  
Catherine Machalaba ◽  
Claudia Cordel ◽  
Janusz T. Paweska ◽  
...  
Keyword(s):  
Rift Valley ◽  
Rift Valley Fever ◽  
One Health ◽  
Valley Fever

scholarly journals Economic Assessment of Zoonotic Diseases: An Illustrative Study of Rift Valley Fever in the United States

2014 ◽  
Vol 63 (2) ◽  
pp. 203-214 ◽  
Author(s):  
D. L. Pendell ◽  
J. L. Lusk ◽  
T. L. Marsh ◽  
K. H. Coble ◽  
S. C. Szmania
Keyword(s):  
United States ◽  
Rift Valley ◽  
Rift Valley Fever ◽  
Economic Assessment ◽  
The United States ◽  
Zoonotic Diseases ◽  
Valley Fever

scholarly journals Sero-prevalence of brucellosis, Q-fever and Rift Valley fever in humans and livestock in Somali Region, Ethiopia

2021 ◽  
Vol 15 (1) ◽  
pp. e0008100
Author(s):  
Mohammed Ibrahim ◽  
Esther Schelling ◽  
Jakob Zinsstag ◽  
Jan Hattendorf ◽  
Emawayish Andargie ◽  
...  
Keyword(s):  
Rift Valley ◽  
Rift Valley Fever ◽  
Q Fever ◽  
Animal Health ◽  
Zoonotic Diseases ◽  
Serological Tests ◽  
Cross Sectional ◽  
Valley Fever ◽  
Somali Region ◽  
The Individual

Information on zoonotic diseases in humans and livestock are limited in pastoral/agro-pastoral communities in Ethiopia. A multi-stage cross sectional cluster design study was implemented with the aim to establish the seroprevalence of zoonotic diseases including brucellosis, Q-fever and Rift Valley fever (RVF) in humans and livestock in Adadle Woreda of the Somali Region, Ethiopia. Blood samples were collected from humans and livestock and tested by relevant serological tests. For brucellosis, Rose Bengal test (RBT) and indirect ELISA was used for screening and confirmatory diagnosis respectively. Indirect and competitive ELISA were also used for Q-fever and RVF respectively. The individual seropositivity of Q-fever in livestock was 9.6% (95% CI 5.9–15.1) in cattle, 55.7% (95% CI 46.0–65.0) in camels, 48.8% (95% CI 42.5–55.0) in goats, and 28.9% (95% CI 25.0–33.2) in sheep. In humans, seropositivity of Q-fever was 27.0% (95% CI 20.4–34.0), with prevalence in males of 28.9% vs 24.2% in females (OR = 1.3; 95% CI 0.6–2.5). Camel seropositivity of Q-fever was significantly associated with age (OR = 8.1; 95% CI 2.8–23.7). The individual apparent seroprevalence of RVF was 13.2% (95% CI 8.7–18.8) in humans, 17.9% (95% CI 11.0–27.8) in cattle, 42.6% (95% CI 34.8–50.7) in camels, 6.3% (95% CI 3.3–11.6) in goats and 7.4% (95% CI 4.7–11.5) in sheep. Camels had the highest seropositivity of both Q-fever and RVF. Only a weak correlation was observed between human and livestock seropositivity for both Q-fever and RVF. Only cattle and camels were seropositive for brucellosis by iELISA. The individual seroprevalence of brucellosis was 2.8(0.9–6.4) in humans, 1.5% (95% CI 0.2–5.2) in cattle and 0.6% (95% CI 0.0–3.2) in camels. This study showed the importance of zoonoses in Somali Region and is the first published study to describe RVF exposure in humans and livestock in the country. Even though human exposure to RVF virus was reported, public health sector of Somali Region has not given attention to such zoonoses. Collaboration between public and animal health sectors for further investigation on these zoonoses using the One Health concept is indispensable.

scholarly journals Diagnosis of a Suspected Rift Valley Fever Outbreak Using Capture IgM ELISA in the Sudan

2018 ◽  
Vol 10 (4) ◽  
pp. 1-8
Author(s):  
Tamador Elhassan ◽  
M Ahmed ◽  
M Amira ◽  
M Rahman ◽  
A ElHussein ◽  
...  
Keyword(s):  
Rift Valley ◽  
Rift Valley Fever ◽  
Valley Fever ◽  
Igm Elisa
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