Ruth L . Berkelman

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In the United States Kaposi's sarcoma is at least 20,000 times more common in persons with acquired immunodeficiency syndrome (AIDS) than in the general population and 300 times more common than in other immunosuppressed groups. Among persons with the acquired immunodeficiency syndrome (AIDS) reported to Centers for Disease Control by March 31, 1989, 15%(More)
CDC has revised the classification system for HIV infection to emphasize the clinical importance of the CD4+ T-lymphocyte count in the categorization of HIV-related clinical conditions. This classification system replaces the system published by CDC in 1986 (1) and is primarily intended for use in public health practice. Consistent with the 1993 revised(More)
OBJECTIVE To evaluate recent trends in infectious diseases mortality in the United States. DESIGN Descriptive study of infectious disease mortality, classifying International Classification of Diseases, Ninth Revision codes as infectious diseases, consequence of infectious diseases, or not infectious diseases. Multiple cause-of-death tapes from the(More)
BACKGROUND An abrupt increase in the incidence of legionellosis in the United States has been noted since 2003. Whether the recent increase is associated with shifting epidemiologic trends has not been well characterized. METHODS We analyzed all cases of legionellosis reported to the Centers for Disease Control and Prevention through the National(More)
BACKGROUND Little is known about the occurrence of Q fever among veterinarians in the United States. In this study, we sought to estimate the prevalence of Coxiella burnetii antibodies among veterinarians and to identify risk factors for exposure. METHODS We tested serum samples from 508 veterinarians who attended the 143rd American Veterinary Medical(More)
Non-Hodgkin lymphoma is associated with HIV infection. We investigated the epidemiology and aetiology of AIDS-related non-Hodgkin lymphoma by analysing data from cases reported to the Centers for Disease Control, Atlanta, USA, up to June 30, 1989. During this period 97,258 AIDS cases were reported, of whom 2824 (2.9%) had non-Hodgkin lymphoma. The condition(More)
OBJECTIVE To determine the seroprevalence of antibodies against Leptospira serovars among veterinarians and identify risk factors for seropositivity in veterinary care settings. DESIGN Seroepidemiologic survey. STUDY POPULATION Veterinarians attending the 2006 AVMA Annual Convention. PROCEDURES Blood samples were collected from 511 veterinarians, and(More)
Recent confirmation of intrinsic bacterial contamination of 10% povidone-iodine solution has raised questions regarding the bactericidal mechanism of iodophors and the possibility for survival of vegetative bacterial cells in iodophor solutions. In this laboratory investigation, five different species were exposed to various dilutions of three commercial(More)
OBJECTIVE To describe the characteristics of individuals > or = 13 years of age with HIV wasting syndrome in the United States and US territories. DESIGN Retrospective review of national AIDS case surveillance data. METHODS Data for the 147,225 individuals with AIDS reported to the Centers for Disease Control from 1 September 1987 to 31 August 1991 were(More)