Publications by authors named "Amuguni J"

Given the recent emergence of Rift Valley Fever (RVF) in Rwanda and its profound impact on livelihoods and health, improving RVF prevention and control strategies is crucial. Vaccinating livestock is one of the most sustainable strategies to mitigate the impact of RVF on health and livelihoods. However, vaccine supply chain constraints severely limit the effectiveness of vaccination programs.

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Livestock diseases are a major barrier to productivity for both male and female livestock keepers in Africa. In Kenya, two of the most devastating livestock diseases are Newcastle Disease (ND) in poultry and Contagious Caprine Pleuropneumonia (CCPP) in goats. Female livestock keepers tend to own more small ruminants (goats, sheep, etc.

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Background: Malaria is a potentially fatal disease spread by the bites of Plasmodium-infected Anopheles mosquitoes. Despite long-term efforts to control malaria in Rwanda, malaria incidence increased from 48 to 403 cases/1000 individuals between 2012 and 2016. The diagnosis and treatment of malaria occurs at multiple levels, but the costs of these activities are not well understood.

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Most rural women smallholder farmers in Kenya generate income from the sale of small ruminant animals. However, diseases such as Contagious Caprine Pleuropneumonia (CCPP) prevent them from optimizing earnings. A crucial aspect for the control of CCPP is vaccination.

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Snakebite envenomation (SBE) is a serious medical condition with human, animal, and environmental factors driving occurrence. In Rwanda, the number of SBE cases reported by the medical system is far lower than regional estimates for SBE incidence, suggesting that victims might be seeking care outside of formal medical structures. Our goals were to describe circumstances surrounding snakebite and to explore experiences of snakebite victims in accessing treatment.

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Background: Dental fluorosis is caused by prolonged exposure to excessive fluoride during the period of permanent tooth formation and is characterized by tooth discoloration, pitting, and loss of shape. Communities living near Lake Kivu in Western Rwanda exhibit a high prevalence of dental fluorosis; however, data on prevalence and risk factors are scarce.

Methods: This cross sectional, quantitative study used a One Health approach to investigate dental fluorosis prevalence among people and livestock and to measure fluoride content in the environment.

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The Government of Rwanda reported an outbreak of Rift Valley fever (RVF) in the Eastern Province in 2018. To respond to the outbreak, vaccination and education campaigns about the disease were carried out. Because RVF cases continue to be detected in Rwanda and the disease impacts livelihoods and health, accurate knowledge and communication are imperative.

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Snakebite envenomation (SBE) is a neglected One Health issue that overwhelmingly affects people living in rural and impoverished regions of Africa and Asia. Information on SBE is scarce in Rwanda; thus, our objectives were to 1) describe the demographics of SBE patients seeking hospital care, 2) evaluate physician adherence to national treatment guidelines, and 3) assess availability of snake antivenom at hospitals in Rwanda. To achieve these goals, we obtained national data on animal bites/stings and visited every district and provincial hospital in Rwanda to obtain physical records of SBE patients treated in 2017 and 2018.

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Sublingual (SL) immunization against infectious agents or bacterial toxins is not a common route for antigen delivery. However, in our continued search for a needle-free platform for vaccine administration, we evaluated the efficacy of SL immunization with Bacillus subtilis engineered to express tetanus toxin fragment C (TTFC). We compared the results obtained with those for intranasal (IN) immunization with the same vaccine, which we recently reported to induce complete protection in mice against a 2×LD100 challenge of tetanus toxin (Lee et al.

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