Elizabeth M Koch

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Between November 1998 and May 1999, 136 cases of hepatitis A were reported in Columbus, Ohio. Eighty-nine (65%) case patients were reinterviewed. Of 74 male case patients, 47 (66%) were men who have sex with men (MSM). These 47 MSM were compared with 88 MSM control subjects, to identify risk factors for infection and potential opportunities for vaccination.(More)
CONTEXT Infection with Escherichia coli O157 causes an estimated 70 000 diarrheal illnesses per year in the United States and can result in hemolytic-uremic syndrome and death. Environmental contamination with E coli O157 may be a public health problem. OBJECTIVES To determine risk factors for E coli O157 infection during an outbreak investigation at a(More)
Emerging Infectious Diseases • www.cdc.gov/eid • Vol. 13, No. 8, August 2007 1267 mild and the patient responded well to antimicrobial drug therapy, albeit without catheter removal. This case emphasizes that environmental bacteria can be an emerging threat for hemodialysis patients, who are at risk of acquiring opportunistic infection. In addition, this(More)
In previous studies we found that a commercial cholesterol preparation obtained from the Wilson Laboratories had a high concentration of antirachitic provitamin. In the present studies we undertook to concentrate the provitamin fraction in cholesterol and to study its properties. 175 gm. of the commercial product, Cholesterol W, were dissolved in 1200 cc.(More)
Escherichia coli O157 infections cause an estimated 60 deaths and 73 000 illnesses annually in the United States. A marked summer peak in incidence is largely unexplained. We investigated an outbreak of E. coli O157 infections at an agricultural fair in Ohio and implicated consumption of beverages made with fairground water and sold by a geographically(More)
BACKGROUND Hepatitis A is one of the most commonly reported, vaccine-preventable diseases in the United States. Many cases occur in association with community-wide outbreaks, but societal costs to the community are seldom documented. METHODS Hepatitis A case-patients available for a follow-up interview as part of an outbreak investigation were asked about(More)
We investigated 4 cases of legionnaires' disease (LD) reported among workers at an Ohio automotive plant in March 2001. A "confirmed" case of LD was defined as x-ray-confirmed pneumonia and a confirmatory laboratory test. A "possible" case of LD was defined as elevated titers of antibody and respiratory symptoms. Legionella pneumophila serogroup 1 (LP1) was(More)
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