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Bird populations often have high prevalences of the haemosporidians Haemoproteus spp. and Plasmodium spp., but the extent of host sharing and host switching among these parasite lineages and their avian hosts is not well known. While sampling within a small geographic region in which host individuals are likely to have been exposed to the same potential(More)
A survey for Shiga toxigenic Escherichia coli in raw milk and beef was conducted within a defined geographic region of the United States. Prevalence rates based on detection of Shiga toxin gene (stx) were 36% for retail beef, 23% for beef carcasses, and 21% for raw milk samples, which were significantly higher than were Shiga toxigenic E. coli isolation(More)
—A web-enabled laboratory provides remote access to state of the art equipment. The use of web-enabled laboratories in undergraduate education has dramatically increased over the past six years, but no criteria have been established to assess the quality of this new teaching tool. We identify ten vital components any successful web-enabled laboratory should(More)
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