Karen L. Southwick

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Both dogs and humans can be coinfected with various Ehrlichia, Bartonella, Rickettsia, and Babesia species. We investigated a kennel of sick Walker Hounds and their owners in southeastern North Carolina for evidence of tick-borne infections and associated risk factors. A high degree of coinfection was documented in the dog population. Of the 27 dogs, 26(More)
We studied predictors of no prenatal care (PNC) and influence of no PNC on pregnancy outcome in a multisite study of 1071 women with syphilis in Russia. We assessed PNC utilization, HIV testing, syphilis treatment, and pregnancy outcome. We found that 37% of women with syphilis received no PNC, and 1% was HIV infected. Lacking official residency status was(More)
BACKGROUND During a college football game in Florida, diarrhea and vomiting developed in many of the members of a North Carolina team. The next day, similar symptoms developed in some of the players on the opposing team. METHODS We interviewed those who ate the five meals served to the North Carolina team before the game and some of the players on the(More)
OBJECTIVE To investigate the physical and mainly psychological sequelae of exposure to war in Central American children and their mothers who immigrated to the United States on average 4 years before the study began. DESIGN Interview study. PARTICIPANTS Twenty-two immigrant Central American women caretakers and 1 of their children aged 5 to 13 years. (More)
We investigated a cluster of patients with tuberculosis (TB) in North Carolina and determined the extent of transmission of 1 strain of Mycobacterium tuberculosis. A retrospective cohort study was conducted. Homeless shelter attendance and medical records for 1999 and 2000 were reviewed. The period of exposure to M. tuberculosis was determined, and shelter(More)
BACKGROUND Congenital syphilis (CS) reports in Russia increased 26-fold from 1991 to 1999. Case reports included only infants who were clinical cases, had persistent serologic changes, or confirmed syphilitic stillbirth. Although not reported, policies stipulate that infants of inadequately treated or untreated mothers receive preventive penicillin(More)
OBJECTIVES After a syphilis epidemic in Jefferson County, Texas, in 1993 and 1994, congenital syphilis prevalence and risk factors were determined and local prenatal syphilis screening practices were assessed. METHODS Medical records were reviewed, pregnant women with syphilis were interviewed, and prenatal care providers were surveyed. RESULTS Of 91(More)
CONTEXT Histamine poisoning occurs when persons ingest fish in which bacteria have converted histidine to histamine, a process that usually can be controlled by storage at low temperatures. From 1994 to 1997, North Carolina averaged 2 cases annually; however, from July 1998 to February 1999, a total of 22 cases of histamine fish poisoning were reported. (More)
OBJECTIVES The present study was carried out in seven maternity hospitals to determine the prevalence of maternal syphilis at the time of delivery and the associated risk factors, to conduct a pilot project of rapid syphilis testing in hospital laboratories, to assure the quality of syphilis testing, and to determine the rate of congenital syphilis in(More)