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The carbamate pesticide, aldicarb, is the most commonly found man-made groundwater contaminant in Wisconsin. A 1985 study linked ingestion of aldicarb-contaminated drinking water with altered T-cell distributions, specifically an increase in the mean number of CD8+ (T8) T cells. To further evaluate this finding, a follow-up study was done in 1987. Of the 50(More)
Spinal cord injuries are a major public health problem, and costs to society may total $6.2 billion per year. Using a case-control design, we investigated risk factors for spinal injury in male Wisconsin residents who sustained their injuries during water recreational activity. Compared with the controls, the people who sustained spinal injury were more(More)
From February 1 through March 20, 1988, 202 cases of hepatitis A were reported in and around Jefferson County, Kentucky. The epidemic curve indicated a common-source exposure. However, there was no apparent single source of exposure from a restaurant, or community gathering; nor was there a geographic clustering by residence. Cases were mainly adults 20-59(More)
Increasingly, health departments are being pressed by the public to respond to disease risk with cluster investigations in communities and neighborhoods. This is a direct result of growing concern about the role that the environment may play in disease risk. While extensive analyses directly inputing exposures or numbers at risk are often necessary to(More)
In this study liver cancer deaths that could be attributed to certain risk factors were calculated. Applying population attributable risk methodology, the attributable risk of liver cancer was estimated for alcohol use, hepatitis B viral exposure, and occupational and industrial exposures. We found that these three risk factors accounted for 38% of liver(More)
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