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We studied three cases of keratitis caused by Mycobacterium chelonei, a nontuberculous mycobacterial species. The cases occurred in two women, 76 and 80 years old, and one man, 67 years old, treated as outpatients in the same office. One case followed suture removal and the other two occurred after posterior capsulotomy. Corneal lesions appeared within two(More)
Risk factors for the introduction, spread and persistence of Cryptosporidium and Giardia lamblia infections in child day-care centers are not well understood. In 1989 and 1990 stool specimens were obtained from 292 diapered children attending 17 randomly selected day-care centers in Fulton County, GA; 8 (2.7%) children in 2 centers were infected with(More)
The lack of a quick, simple, and inexpensive diagnostic test has limited the ability of public health officials to rapidly assess and control outbreaks of Giardia lamblia in child day-care centers. We evaluated the performance of a commercially available enzyme-linked immunosorbent assay (ELISA) for the detection of a G. lamblia-associated antigen in stool.(More)
In Fall 1981, an outbreak of acute infectious conjunctivitis with keratitis (EKC) occurred in patients who had visited a private ophthalmology clinic just prior to onset of illness. Among an estimated 2,200 patient visits to the office from August 10 to October 15, 1981 for problems unrelated to infectious conjunctivitis, 39 (1.8%) persons subsequently(More)
OBJECTIVE To estimate the extent of, and evaluate risk factors for, elevated carboxyhemoglobin levels among patients undergoing general anesthesia and to identify the source of carbon monoxide. DESIGN Matched case-control study to measure carboxyhemoglobin levels. SETTING Large academic medical center. PARTICIPANTS 45 surgical patients who underwent(More)
Hepatitis A occurred in five registered nurses, a licensed practical nurse, and a recently discharged patient at a community hospital; one of these seven was asymptomatic. All had been exposed to a woman with confirmed hepatitis A who had undergone elective cholecystectomy and who had had vomiting, diarrhea, and fecal incontinence during the eight days(More)
Three formalin-preserved fecal specimens from the same child attending a child-care center were pooled and compared with the three separate individual specimens by a single microscopic examination of concentration sediment for Giardia lamblia. The sensitivity of the pooled system was 100% when two or more individual specimens were positive and 88% when only(More)