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Biomedical subjects

W Orenstein

Publications and source records attributed to W Orenstein.

7 recordsLinked to original sources

Quality standards for immunization. Guidelines from the Infectious Diseases Society of America.

This is the third in a series of guidelines commissioned by the Infectious Diseases Society of America through its Practice Guidelines Committee. It is presented as a standard of care rather than a practice guideline because the case for following these recommendations is very strong and it should be followed with rare exceptions. The purpose of this guideline is to provide assistance to clinicians when making decisions on providing immunizations to healthy infants, children, and adults. The document is a summary of guidelines already developed by national organizations. The targeted providers are pediatricians, family practitioners, internists, and other physicians who provide immunizations. The IDSA provided the funding. Panel members represent experts in adult and pediatric infectious diseases. The guidelines are evidence-based. A standard ranking system is used for the strength of the recommendations and the quality of the evidence cited in the literature reviewed. The document has been subjected to external review by peer reviewers as well as by the Practice Guidelines Committee and was approved by the IDSA Council. An executive summary and tables highlight the major recommendations. Indicators for measuring compliance with the standards are included.

Adolescent↗

Live virus vaccines in human immunodeficiency virus-infected children: a retrospective survey.

Live virus vaccines can cause serious adverse reactions when administered to immunocompromised patients. Because children infected with human immunodeficiency virus (HIV) may be immunosuppressed, immunization of these children with live virus vaccines is a potential problem. A retrospective survey was conducted by the New York City Department of Health, with consultation from the Centers for Disease Control, to evaluate the frequency of serious adverse events following receipt of live vaccines among children with HIV infection receiving pediatric care in New York City and New Jersey. Outpatient records of 319 children being cared for by 16 participating physicians were reviewed. Of the 319 charts, 221 (69%) contained vaccination histories. Perinatal transmission of HIV infection was suspected for 208 (94%) of the 221 cases and infection via transfusion for the remaining 13 (6%). Of the 221 for whom immunization histories were available, 180 (81%) had received at least one dose of live oral polio vaccine and 70 (32%) had received measles, mumps, and rubella vaccine. There were 120 children for whom a temporal relationship between immunization and onset of symptoms of immunodeficiency could be seen; 46/120 had received at least one dose of oral polio vaccine and 23/45 had received measles, mumps, and rubella vaccine after onset of symptoms. Although follow-up of this population has been limited, there were no reports of serious adverse events such as typical or atypical measles, paralytic poliomyelitis, or aseptic meningitis in the month following vaccination.(ABSTRACT TRUNCATED AT 250 WORDS)

Acquired Immunodeficiency Syndrome↗

Clinical mumps vaccine efficacy.

From February 5 through April 23, 1982, 110 cases of mumps were reported among 357 students in a middle school in Ashtabula County, Ohio, an overall attack rate of 31%. Vaccine efficacy was calculated using a variety of case definitions, case surveillance systems, and vaccination-status ascertainment methods to evaluate their effects on the estimated vaccine efficacy. From data collected at the school for case ascertainment and vaccination status, clinical vaccine efficacy was initially estimated at 37%. By means of a uniform case definition (parotitis lasting two days or more) and only cases and vaccination status ascertained from parental questionnaires, estimated vaccine efficacy increased to 70%. From secondary attack rates in household members with provider-verified vaccination status, the vaccine efficacy further increased to 85%. This outbreak investigation confirms that the methods used to ascertain cases and determine vaccination status greatly affect estimates of vaccine efficacy. Studies relying solely on school records for case finding and determination of immunization status may provide misleadingly low estimates of vaccine efficacy for mumps vaccine as well as for other vaccines. Appropriate methods demonstrate that mumps vaccine is highly effective and support recommendations for its continued use.

Adolescent↗

Legionnaires' disease: description of an epidemic of pneumonia.

An explosive, common-source outbreak of pneumonia caused by a previously unrecognized bacterium affected primarily persons attending an American Legion convention in Philadelphia in July, 1976. Twenty-nine of 182 cases were fatal. Spread of the bacterium appeared to be air borne. The source of the bacterium was not found, but epidemiologic analysis suggested that exposure may have occurred in the lobby of the headquarters hotel or in the area immediately surrounding the hotel. Person-to-person spread seemed not to have occurred. Many hotel employees appeared to be immune, suggesting that the agent may have been present in the vicinity, perhaps intermittently, for two or more years.

Adolescent↗