Anna Q. Yaffee

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MHC class I molecules (MHC-I) present peptides to CTLs. In addition, HLA-C allotypes are recognized by killer cell Ig-like receptors (KIR) found on NK cells and effector CTLs. Compared with other classical MHC-I allotypes, HLA-C has low cell surface expression and an altered intracellular trafficking pattern. We present evidence that this results from(More)
During August 4-September 1, 2015, eight cases of Verona integron-encoded metallo-beta-lactamase (VIM)-producing Carbapenem-resistant Enterobacteriaceae (CRE) colonization were identified in six patients, using weekly active surveillance perirectal cultures in a Kentucky tertiary care hospital. No cases of clinical infection or complications attributable to(More)
OBJECTIVE To characterise the population that presents to the Accident and Emergency Centre (AEC) at Komfo Anokye Teaching Hospital (KATH) and to identify risk factors associated with bypassing proximal care facilities. METHODS A structured questionnaire was verbally administered to patients presenting to the AEC over 2 weeks. The questionnaire focused on(More)
BACKGROUND Shiga toxin-producing Escherichia coli (STEC) O157:H7 is the causal agent for more than 96,000 cases of diarrheal illness and 3,200 infection-attributable hospitalizations annually in the United States. MATERIALS AND METHODS We defined a confirmed case as a compatible illness in a person with the outbreak strain during 10/07/2011-11/30/2011.(More)
On July 11, 2016, state and local health departments in Kentucky were notified of a case of obstetric tetanus in an unvaccinated woman. Obstetric tetanus, which occurs during pregnancy or within 6 weeks of the end of pregnancy, follows contamination of wounds with Clostridium tetani spores during pregnancy, or the use of contaminated tools or practices(More)
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