Biomedical subjects
Publications and source records attributed to G Avram.
Virological investigations were performed in 25 herpangina cases that occurred in a large urban centre in the summer season of 1982. Twelve Coxsackie A virus strains (10 Coxsackie A5 strains, one Coxsackie A4 and one Coxsackie A6 strain) could be isolated from 9 (36.0%) of the patients.
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Five cases of vesicular enteroviral stomatitis with exanthema or hand-foot-mouth disease are described. The diagnosis was based on the clinical aspect, the Coxsackie A5 virus isolation from pathological samples, and confirmed by serological tests.
Prophylactic administration of standard gammaglobulin (G) to over 5,000 children led to a more than 6-fold decrease in the incidence of icteric viral hepatitis (V.H.) as compared with the control group and to the disappearance of the autumn--winter epidemic peak. A 3-fold decrease in the incidence of subclinical forms was also achieved. In another group of 5,000 children G was only given to contacts in epidemic foci; the incidence of icteric V. H. was similar to that recorded in controls, while subclinical forms were 2 times more frequent in children having received G after the infectant contact.
AgHBs incidence in various population groups from the Iaşi region was relatively high in 1991, ranging from 3.8% in blood donors to 75.0% in patients with severe acute virus hepatitis. As compared to the incidence values recorded in 1973, 18 years ago, in the population of the same territory, some mutations were observed, the most important being the more then threefold reduction of the AgHBs incidence in blood donors. In subjects with liver diseases and in risk groups, the frequency of AgHBs carriers maintains at a high level.
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The authors describe three enterovirus epidemics: an outbreak of Coxsackie B1 epidemic myalgia, one of echovirus 4 meningitis and one of epidemic vomiting and diarrhea caused by Coxsackie A9 virus. Etiological diagnosis was established by virological and serological tests.
AgHBs incidence in various population groups from the Iassy region was relatively high in 1991, ranging from 3.8% in blood donors to 75.0% in patients with severe acute virus hepatitis. As compared to the incidence values recorded in 1973, 18 years ago, in the population of the same territory, some mutations were observed, the most important being the more then threefold reduction of the AgHBs incidence in blood donors. In subjects with liver diseases and in risk groups, the frequency of AgHBs carriers maintains at a high level.