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Factors influencing the success of aerial rabies vaccination of foxes.

ABSTRACT: Sylvatic rabies has been eradicated from most of Central Europe, but cases still occur in the Balkans. Oral rabies vaccination of foxes is an effective method for controlling the disease. The aim of this study was to evaluate the success of aerial vaccination campaigns conducted in Montenegro by identifying ecological, environmental and climatic factors that influenced the prevalence of antibodies to the rabies vaccine. To monitor the bait uptake and the serological responses to vaccination, foxes were shot by hunters. Of 175 shot foxes, 142 foxes (81.1%) had consumed baits. Of these only a total of 81 (57.0%) tested positive for rabies vaccine antibodies, possibly, due to the delayed uptake of bait in which the rabies vaccine was already inactivated. We found that low vaccination responses were associated with high fox density and bait delivery in open areas. In high fox density habitat, bait uptake might be delayed as other food and prey options for foxes are abundant. Similarly, delayed bait uptake probably occurred in open areas as such areas are less frequently used by foxes. The findings of this study suggest that efficacy of oral rabies vaccination by aerial delivery is associated with landscape features.

SUBMITTER: Henning J

PROVIDER: S-EPMC5662741 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:ObjectivesThis study aims to investigate the factors influencing parental willingness in COVID-19 vaccination for children in Japan in light of the introduction of pediatric vaccines.MethodsAn online survey was conducted in February 2022, coinciding with the imminent start of pediatric COVID-19 vaccinations in Japan. It assessed attitudes toward vaccine uptake and included questions about health-related attributes, psychological considerations, and sources of COVID-19 information. Data from 2,419 respondents who had children under the age of 12 were analyzed using multinomial logistic regression to identify factors associated with parental willingness towards COVID-19 vaccination for children. The outcomes were "agree" (in favor of vaccination), "not sure" (undecided), with "disagree" (against vaccination) as the reference category.ResultsAmong participants supportive of vaccination ("agree" compared to the "disagree" reference), salient determinants included: gender (Men in reference to women: odds ratio [OR] 1.54; 95 % confidence interval [CI] 1.11-2.15), highest educational level (Junior College/Vocational in reference to under high school: OR 0.61; 95 % CI 0.40-0.93, Bachelor's /Master's/Doctoral degree in reference to under high school: OR 0.59; 95 % CI 0.42-0.84), perception of benefits of COVID-19 vaccination (Significant in reference to Insignificant: OR 2.04; 95 % CI 1.26-3.28), perception of risks of COVID-19 vaccination (Significant in reference to Insignificant: OR 0.28; 95 % CI 0.19-0.42, Neutral in reference to Insignificant: OR 0.48; 95 % CI 0.33-0.71), the number of referenced information sources utilized for COVID-19 was associated with attitudes towards children's vaccination (OR 1.02; 95 % CI 1.00-1.04).ConclusionThe study highlights the multifaceted factors influencing parents' COVID-19 vaccination attitudes for their children, encompassing socioeconomic, health, psychological, and informational aspects. Factors like cautious information gathering, vaccine concerns and diverse referenced information sources impact willingness. To facilitate informed decision-making, essential measures include government risk communication, widespread vaccine information dissemination, and enhancing parents' health information accessibility and evaluation skills are important.

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Factors influencing the success of aerial rabies vaccination of foxes.

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