A. Kárpáti

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Hygiene has established a syndromic surveillance system that monitors emergency department visits to detect disease outbreaks early. Routinely collected chief complaint information is transmitted electronically to the health department daily and analyzed for temporal and spatial aberrations. Respiratory, fever, diarrhea, and vomiting are the key syndromes(More)
In December 1997, 170 hemorrhagic fever-associated deaths were reported in Garissa District, Kenya. Laboratory testing identified evidence of acute Rift Valley fever virus (RVFV). Of the 171 persons enrolled in a cross-sectional study, 31(18%) were anti-RVFV immunoglobulin (Ig) M positive. An age-adjusted IgM antibody prevalence of 14% was estimated for the(More)
Pyrethroid pesticides were applied via ground spraying to residential neighborhoods in New York City during July-September 2000 to control mosquito vectors of West Nile virus (WNV). Case reports link pyrethroid exposure to asthma exacerbations, but population-level effects on asthma from large-scale mosquito control programs have not been assessed. We(More)
Dear Fellow New Yorkers: New York City's Health Department has, throughout its history, paid special attention to improving the health of the City's most vulnerable residents. From the late 1800s, when the Department developed sanitation programs to improve living conditions in tenement neighborhoods, to the early 1900s, when public health physicians were(More)
The Gore-Chernomyrdin Commission encouraged a binational collaboration to evaluate pediatric lead poisoning in Russia. The study evaluated children in three Russian cities: Krasnouralsk, a small city with minimal traffic centered around a copper smelter; and Ekaterinburg and Volgograd, both of which are large cities with multiple factories and heavy(More)
In April 1947, during a smallpox outbreak in New York City (NYC), more than 6 million people were vaccinated. To determine whether vaccination increased cardiac death, we reviewed NYC death certificates for comparable periods in 1946, 1947, and 1948 (N = 81,529) and calculated adjusted relative death rates for the postvaccination period. No increases in(More)
BACKGROUND Programmatic data from New York City syringe exchange programs suggest that many clients visit the programs infrequently and take few syringes per transaction, while separate survey data from individuals using these programs indicate that frequent injecting - at least daily - is common. Together, these data suggest a possible "syringe gap"(More)
OBJECTIVE The New York City Mental Health Care Monitoring Initiative uses Medicaid claims data to identify individuals with serious mental illness who are experiencing or at risk for gaps in services. In this study the authors assessed whether proposed service use algorithms accurately identified such individuals. METHODS A random sample of 500(More)
The Uninterruptible Power Supplies (UPS) are expensive equipments. Their installation is only profitable, if the costs because of the outage of the power of the supplied system are higher, as the installation/operation costs. This paper deals with the uninterruptible power supply of data centers. The aim is the short review of the several solutions, and to(More)
OBJECTIVE The study determined rates of reengagement in services for individuals with serious mental illness who had discontinued services. METHODS As part of a quality assurance program in New York City involving continuous review of Medicaid claims and other administrative data, clinician care monitors identified 2,834 individuals with serious mental(More)