The changing epidemiology of Ross River virus disease in South Australia.
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Biomedical subjects
Publications and source records attributed to P R Mudge.
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During 1992-93, the authors produced a video-based teacher development resource kit for rural and isolated general practitioners and hospital medical personnel who are involved in medical teaching. As part of the development process, we surveyed 240 medical undergraduate students of the University of Queensland about their experiences and perceptions of teaching and learning in rural settings in Queensland. For approximately 90% of undergraduate learners, the experience with a rural medical practitioner was extremely positive. The major positive features identified by students were: being treated as a colleague; being allowed/encouraged to work independently; receiving feedback on their work; and being given ample 'hands-on' minor procedural experience and/or teaching. The 10% of students who reported unfavourably on their rural terms identified lack of opportunities to carry out solo consultations/work independently, lack of structure in teaching/learning experiences, and lack of hands-on experience as the major disappointments. The results demonstrate clearly how and why the majority of rural medical teachers in Queensland are effective facilitators of undergraduate learning.
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Explore the source record for details and available documents.
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The establishment of a health centre linked to the University of Tasmania in a new housing estate in an outer suburb of Hobart presented a unique opportunity to study the health and illness of the community. A representative group of 200 families was interviewed personally about their family structure, health, illness and lifestyles. The sample of families selected corresponded well to the total population when compared with information from census data. This paper describes the objectives of the Bridgewater family project and the preliminary results that have identified separate groups of patients for closer study. Single-parent families made up 23% of the sample; only 9% of the single mothers were working. One-quarter of the men were unemployed and 14% admitted that they had been in trouble with the police. One-third of the fathers and 22% of the mothers smoked more than 25 cigarettes per day. One-third of the men drank more than 100 g of alcohol per day (the proportion of women was much smaller). These groups of patients are considered to be at risk to their health. As part of the larger study, the medical records of those who attended the local health centre were concurrently analysed to assess the morbidity of the family members and this information will be the subject of a further report.
Information concerning their clinical illness was obtained by self-administered questionnaire from 528 patients who suffered from epidemic polyarthritis in Australia during 1980 and 1981. The clear and uniform clinical picture which has emerged from this study should facilitate the diagnosis of this disease. The illness begins suddenly with the onset of acute aching in the muscles and joints, followed by a maculopapular rash in between 40% and 78% of patients, and extensive polyarthritis. This affects chiefly the ankles, fingers, knees and wrists, usually serially, but no joint is spared. Estimates of incubation time suggest that it ranges from three to 21 days (mean, nine days). Women, especially housewives, are the group most frequently affected. Exposure to mosquitoes is an important predisposing factor; the implications of this for prevention and future research are considered. The mechanism of the survival of the virus in nature remains poorly understood.
During the past season, a further outbreak of Ross River epidemic polyarthritis occurred in South Australia. Significant differences in the epidemiology occurred, which support the hypothesis that the virus is brought to the area by wild birds.
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In a survey of 93 cases of epidemic polyarthritis which occurred in South Australia in 1976, 77 patients suffered from a rash, and 87 patients had joint pains. Forty-five patients had positive serological results. In a control group, only eight of 34 controls had positive serological results. The distributions of rash and joint pains, together with those of other symptoms, are presented. Forty-five patients were unable to work during their illness. The incidence of doctor contact and the drugs taken are given.