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Immunogenicity of Oral Rabies Vaccine Strain SPBN GASGAS in Local Dogs in Bali, Indonesia









Megawati Saputra, I.L.; Suwarno, S.; Husein, W.F.; Suseno, P.P.; Prayoga, I.M.A.; Vos, A.; Arthawan, I.M.; Schoonman, L.; Weaver, J.; Zainuddin, N. Immunogenicity of Oral Rabies Vaccine Strain SPBN GASGAS in Local Dogs in Bali, Indonesia. Viruses 2023, 15, 1405. https://doi.org/ 10.3390/v15061405


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    Assessing bait acceptance of local dogs, oral rabies vaccination success and human contact risk in Bali, Indonesia 2023
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    The objective of this study was to identify the preferred bait of local dogs in Bali and estimate oral rabies vaccination (ORV) success in locations with varying geographic and demographic conditions. In addition, an evaluation of potential direct and indirect contact with the placebo sachet contents was conducted. The study was a randomized controlled trial conducted in two pilot areas of Bali using imported and hand-made baits. All dogs were offered a single bait containing a sachet of blue-dyed water using the “hand-out and retrieve” technique. Several methods were used to determine the likelihood of contact with the placebo vaccine. Comparing ORV with capture-vaccinate-release (CVR) methods, field officers were given Google Forms questions to answer. Statistical analysis was performed using univariate contingency table testing, followed by the development of a multiple logistic regression (MLR) model. With 96.9% acceptance, intestine was the most popular bait for local dogs in Bali, and egg bait came in second (81.1%). However, the egg bait was 95.2% effective in releasing the vaccine in the oral cavity, followed by the intestine at 82.6%. 6.1% of surveyed households had direct contact with a dog that had recently consumed a vaccine bait. A survey among field officers also indicated that they preferred ORV over CVR, as the former is more suitable for vaccinating inaccessible dogs and less stressful for the teams and the animals. In Bali, both a locally-made intestine bait and an industrially-produced egg-flavored bait were readily taken up by local dogs. There is a small risk that people can come into contact with dogs previously offered a bait; hence, only vaccines with a high safety profile should be used. ORV can replace the currently used CVR method for vaccinating free-roaming dogs as a complementary tool to increase vaccination coverage.
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    Strengthening Rabies Eradication in Bali, Indonesia - TCP INS 3504 2018
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    Rabies poses a serious threat to animal and human health and people’s livelihoods in many parts of Asia. Following a serious rabies outbreak in 2010, the Government of Indonesia began a widespread campaign to control the spread of the virus in Bali. In 2014, human and animal rabies cases began to rapidly increase again and this project aimed to support government efforts for mass dog vaccinations and to pilot a comprehensive dog population management strategy. The objective was to develop the technical capacity for effective rabies control and to help bring the rabies eradication campaign back on track.
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    Booklet
    United Against Rabies Forum – Zero by 30
    One Health in Action, December 2020
    2021
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    Rabies threatens nations worldwide, mainly affecting poor and marginalized communities in Africa and Asia. Its economic impact is estimated to be over USD 8.6 billion per year. If no new action is taken, a million people will die from rabies by 2030. FAO, OIE, and WHO have been committed to controlling and eliminating of human deaths from canine rabies since 2011, and in 2018 published “Zero by 30: The Global Strategic Plan to Eliminate Human Deaths from Dog-Mediated Rabies by 2030.” United Against Rabies (UAR) Forum is formed as a platform for stakeholders to work together and advance their collective efforts to achieve Zero by 30. The UAR Forum will bring organizations from all sectors including public and animal health specialists, One Health specialists, civil society, research and academic institutions, and the private sector as partners in this collaboration. FAO, OIE, and WHO leadership announced the UAR Forum at an online event in September 2020. The UAR Forum meeting included a wide range of stakeholders and speakers discussing the impact of rabies and its role as a model One Health challenge. The meeting included three technical expert panel sessions with contributions and questions from participants around the world. The ideas and suggestions raised through the discussions identified the priority action areas and activities to be addressed by UAR Forum working groups over the next 12 to 18 months in order to progress to the global goal of Zero by 30.

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