BASE-LINE SEROEPIDEMIOLOGY OF HEPATITIS-A VIRUS-INFECTION AMONG CHILDREN AND TEENAGERS IN ITALY

被引:35
作者
STROFFOLINI, T [1 ]
CHIARAMONTE, M [1 ]
FRANCO, E [1 ]
RAPICETTA, M [1 ]
DEMATTIA, D [1 ]
MURA, I [1 ]
TRIVELLO, R [1 ]
GIAMMANCO, A [1 ]
RIGO, G [1 ]
SCARPA, B [1 ]
机构
[1] IST SUPER SANITA,VIROL LAB,I-00161 ROME,ITALY
关键词
D O I
10.1007/BF01645576
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
During the period from May 1987 through November 1989, the prevalence of antibodies to hepatitis A virus infection (anti-HAV) was assayed by the ELISA method in the serum samples of 5,507 (54% males, 46% females) apparently healthy subjects three to 19 years old in Italy. Subjects were selected by a systematic cluster sampling in five different geographical areas of Italy. The overall prevalence of anti-HAV was 9.5%; it increased from 2.3% among children three to five-years-old to 16.3% in teenagers 17 to 19 years old (p < 0.001). A slight preponderance of females was observed (10% versus 9.1%), but the difference was not statistically significant. The prevalence was significantly higher in Southern Italy than in Northern Italy (27.4% versus 4.8%; p < 0.01). The prevalence of anti-HAV was inversely related to the father's years of schooling (O.R.3.3; 95% C.I. = 2.5 - 4.2) and positively related to the family size (O.R. 2.4; 95% C.I. = 1.9 - 3.1). These findings indicate that, today, exposure to HAV infection at a young age in Italy is very low. However, sociodemographic factors are still important determinants in the spread of this infection.
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页码:97 / 100
页数:4
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