The Army earlier this year issued a $ 41, 000 contract to the Nicolsons'institute for a two-day training seminar that will form the preliminary basis for a major epidemiological survey of several hundred Gulf War veterans in 1998, Garth Nicolson said.
22.
Based on a 1992 epidemiological survey, the disease burden of those who are chronically infected with hepatitis B in China is estimated to be at 120 million, one third of the overall burden ( 360 million ) as estimated by the WHO.
23.
In the 1987 Boca do Acre study, scientists did an epidemiological survey and reported delta virus infection in 24 % of asymptomatic HBV carriers, 29 % of acute nonfulminant hepatitis B cases, 74 % of fulminant hepatitis B cases, and 100 % of chronic hepatitis B cases.
24.
The study, described in the Journal of the National Cancer Institute ( NCI ), is the latest in a series of epidemiological surveys that have cast doubt on estimates by the Environmental Protection Agency that radon causes up to 15, 000 lung cancer deaths a year in America.
25.
This interval of maternal susceptibility is indicated by the collective results of several experimental studies, by in-depth epidemiological investigations, and by estimates of the time of death of fetuses collected during epidemiological surveys . or longer, A strain of PPV of slightly greater virulence also has been reported.
26.
Careful epidemiological surveys have not shown any increase in the type of brain disease afflicting McEwen and no indication that frequent users of blood products, like hemophiliacs, have a higher incidence of any kind of CJD, said Dr . Lawrence Schonberger, a physician and epidemiologist who coordinates surveillance activities for Creutzfeldt-Jakob disease at the Centers for Disease Control and Prevention in Atlanta.
