Strategies for greater impact in developing countries.
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Biomedical subjects
Publications and source records attributed to C Bailey.
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Isolation-reared mallards (Anas platyrhynchos) were placed on ponds in turkey-rearing areas in Minnesota, and their cloacae were periodically swabbed to attempt isolating virus from embryonated chicken eggs. Nearby turkeys were sampled by taking cloacal and tracheal swabs as well as blood samples. Hemagglutinating viruses were identified at the National Veterinary Services Laboratory, U.S. Department of Agriculture, Ames, Iowa. During this two-year study, the weekly influenza virus-isolation rate from ducks varied from 0 to 24.4%. A total of 213 influenza viruses were isolated from the ducks. Twenty-six influenza virus subtypes were detected. Ninety-seven flocks of turkeys were diagnosed as having influenza by virus isolation and/or serology. Eight influenza virus subtypes were involved in the turkey outbreaks, and seven of these were also detected in the ducks and/or other avian species. The weekly infection rate of the sentinel ducks correlated directly with observations of wild ducks at the monitoring sites. Influenza virus was isolated from water samples collected near the sentinel duck sites during the study.
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INTRODUCTION: Mammography has been shown to reduce breast cancer mortality among women 50 and older. Although mammography rates are increasing nationally, this effective screening tool remains underused. This study was conducted among 395 women who were members of a network model health maintenance organization (HMO) in Philadelphia in order to determine which of three methods was most effective in increasing mammography rates: (1) a birthday card reminder only (the standard method); (2) a personalized letter from the medical director and materials promoting mammography; and (3) a multicomponent phone call incorporating a reminder, counseling, and scheduling of appointments. An additional goal was to determine whether the interventions were more or less effective depending on a woman's readiness to get a mammogram, as measured by stage of change. METHODS: Eligible women were randomized into one of three treatment groups described earlier. Mammography rates were calculated on the basis of a claims review and follow-up phone interviews after a period of six months. RESULTS: Women who received the telephone intervention were most likely to obtain a mammogram (28%); followed by the group that received the birthday card only (15%), and those who received the mailed intervention (9%). CONCLUSIONS: These results indicate that a multicomponent phone intervention is significantly effective in promoting mammography in managed health care plan members. An analysis by women's stage of change found a difference in the effectiveness of the three interventions among contemplators only.