2,070 research outputs found

    Assessing the costs and benefits of an oral vaccine for raccoon rabies: a possible model.

    Get PDF
    Any cost-benefit analysis of the use of an oral vaccine to control raccoon rabies should include calculating both costs and benefits in terms of $/unit area. Further, cost savings must be adjusted to match the stages of an epizootic: pre-epizootic, epizootic, and post-epizootic. A generic model, which can be adapted to different sites, illustrates the use of threshold analysis to link distribution costs, cost savings, bait density, and vaccine price. Initial results indicate the need to lower the cost of the vaccine, continue research to determine optimal bait densities, and examine distribution plans that do not require continued protection of areas in which raccoon rabies was eliminated through previous vaccination programs

    Modeling potential responses to smallpox as a bioterrorist weapon.

    Get PDF
    We constructed a mathematical model to describe the spread of smallpox after a deliberate release of the virus. Assuming 100 persons initially infected and 3 persons infected per infectious person, quarantine alone could stop disease transmission but would require a minimum daily removal rate of 50% of those with overt symptoms. Vaccination would stop the outbreak within 365 days after release only if disease transmission were reduced to <0.85 persons infected per infectious person. A combined vaccination and quarantine campaign could stop an outbreak if a daily quarantine rate of 25% were achieved and vaccination reduced smallpox transmission by > or = 33%. In such a scenario, approximately 4,200 cases would occur and 365 days would be needed to stop the outbreak. Historical data indicate that a median of 2,155 smallpox vaccine doses per case were given to stop outbreaks, implying that a stockpile of 40 million doses should be adequate

    Costs and benefits of a subtype-specific surveillance system for identifying Escherichia coli O157:H7 outbreaks.

    Get PDF
    We assessed the societal costs and benefits of a subtype-specific surveillance system for identifying outbreak-associated Escherichia coli O157:H7 infections. Using data from Colorado, we estimated that if it averted five cases annually, the system would recover all its costs

    P092 improving postgraduate psychology students’ sleep and insomnia knowledge with a sleep education workshop

    Get PDF
    Abstract Introduction Trainee psychologists receive limited sleep and insomnia education during postgraduate study. This study examined the delivery of a sleep psychology training workshop for postgraduate psychology students and examined changes in sleep knowledge from pre- to post-workshop. Methods A 6-hour Sleep Psychology Workshop was delivered to postgraduate psychology students around Victoria. Online pre- and post-workshop questionnaires were used to evaluate changes in sleep psychology knowledge and collect feedback on the workshop. Results The participants were 187 students (82% female, M age = 32), most of whom were in their 5th year of psychology training (69%) and had not received any sleep education during their postgraduate studies at the date of the intervention (77%). Students’ sleep knowledge significantly improved after workshop completion (pre: 56% vs. post: 80% correct), t(107)= -21.41, p < .001. Students provided positive feedback about the workshop, with 96% rating the workshop as excellent/very good and 86% reporting that they would recommend the workshop to other postgraduate students. Overall, 94% of students agreed/strongly agreed that the sleep psychology workshop improved their confidence to manage sleep disturbances in their future psychology practice. Discussion Postgraduate psychology students require sleep and insomnia education. This study demonstrates that students’ sleep psychology knowledge can improve after a 6-hour sleep education and training workshop and provides initial positive feedback about the benefits of sleep and insomnia education for postgraduate students

    Effectiveness of dog rabies vaccination programmes: comparison of owner-charged and free vaccination campaigns

    Get PDF
    We investigated the percentage of dogs that could be vaccinated against rabies by conducting a pilot campaign in N'Djaména, Chad. Owners were charged US4.13perdogvaccinated,and244.13 per dog vaccinated, and 24% of all dogs in the three city districts covered by the campaign were vaccinated. Total campaign costs were US7623, resulting in an average of US19.40pervaccinateddog.Thisisfivetimesmoreexpensivethanthecostperanimalvaccinatedduringapreviousfreevaccinationcampaignfordog−owners,conductedinthesamedistricts.Thefreecampaign,whichvaccinated2605moredogsthanthiscampaign,costanadditionalUS19.40 per vaccinated dog. This is five times more expensive than the cost per animal vaccinated during a previous free vaccination campaign for dog-owners, conducted in the same districts. The free campaign, which vaccinated 2605 more dogs than this campaign, cost an additional US1.45 per extra dog vaccinated. Campaigns in which owners are charged for vaccinations result in lower vaccination rates than in free campaigns. Public health officials can use these results when evaluating the costs and benefits of subsidizing dog rabies vaccination programme

    Understanding the experience of social housing pathways

    Get PDF
    This report is part of an Australian Housing and Urban Research Institute (AHURI) Inquiry examining how social housing pathways could be reimagined to provide more effective assistance for low-income households in Australia. This research sets out to understand the ways in which individuals and households experience pathways into, within and out of the Australian social housing system

    Estimation of Individual Micro Data from Aggregated Open Data

    Full text link
    In this paper, we propose a method of estimating individual micro data from aggregated open data based on semi-supervised learning and conditional probability. Firstly, the proposed method collects aggregated open data and support data, which are related to the individual micro data to be estimated. Then, we perform the locality sensitive hashing (LSH) algorithm to find a subset of the support data that is similar to the aggregated open data and then classify them by using the Ensemble classification model, which is learned by semi-supervised learning. Finally, we use conditional probability to estimate the individual micro data by finding the most suitable record for the probability distribution of the individual micro data among the classification results. To evaluate the performance of the proposed method, we estimated the individual building data where the fire occurred using the aggregated fire open data. According to the experimental results, the micro data estimation performance of the proposed method is 59.41% on average in terms of accuracy.Comment: 7 page

    Benchmark Calculations of Electron Impact Electronic Excitation of the Hydrogen Molecule

    Get PDF
    We present benchmark integrated and differential cross-sections for electron collisions with H2_2 using two different theoretical approaches, namely, the R-matrix and molecular convergent close-coupling (MCCC). This is similar to comparative studies conducted on electron-atom collisions for H, He and Mg. Electron impact excitation to the b 3Σu+b \ ^3\Sigma_u^+, a 3Σg+a \ ^3\Sigma_g^+, $B \ ^1\Sigma_u^+,, c \ ^3\Pi_u,, EF \ ^1\Sigma_g^+,, C \ ^1\Pi_u,, e \ ^3\Sigma_u^+,, h \ ^3\Sigma_g^+,, B' \ ^1\Sigma_u^+and and d \ ^3\Pi_uexcitedelectronicstatesareconsidered.Calculationsarepresentedinboththefixednucleiandadiabaticnucleiapproximations,wherethelatterisshownonlyforthe excited electronic states are considered. Calculations are presented in both the fixed nuclei and adiabatic nuclei approximations, where the latter is shown only for the b \ ^3\Sigma_u^+$ state. Good agreement is found for all transitions presented. Where available, we compare with existing experimental and recommended data.Comment: 21 pages, 25 figure

    Tilted algebras and short chains of modules

    Get PDF
    We provide an affirmative answer for the question raised almost twenty years ago concerning the characterization of tilted artin algebras by the existence of a sincere finitely generated module which is not the middle of a short chain
    • …
    corecore