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non-a, non-b hepatitis in palermo, western sicily.aetiological studies were carried out on 407 cases of acute viral hepatitis during two consecutive years in two general hospitals in palermo, sicily. two hundred ninety-seven showed serological evidence of hepatitis a virus (hav) infection and 73 of hepatitis b virus (hbv) infection. of the remaining 37, two had a serologically diagnosed cytomegalovirus hepatitis, while 35 were classified as non-a, non-b (nanb) hepatitis. the frequency of the different major agents of acute viral hepatitis was n ...19836418855
[observations on the diffusion of hepatitis a and b virus during an epidemic in a sicilian town with a high rate of infection].epidemiological investigations were carried out during a viral hepatitis outbreak occurring in a sicilian town of 30,000 inhabitants with poor sanitary standards, with the aim to study the mode of spread of hav and hbv in conditions of high incidence of infections. hbsag, anti hbs, anti hav (ria), hbeag, anti hbe and anti hbc were investigated in serum samples from patients, their family contacts and from healthy individuals of different age groups. morbidity was inferred from case notifications ...1979233297
changing patterns of hepatitis a virus infection in children in palermo, italy.in 1988 in palermo, italy, the prevalence of antibodies to hepatitis a virus (anti-hav) in a sample of 490 children 6-13 years old was 10.6%; it increased from 6.3% among children 6-10 years old to 14.7% in children 11-13 years old (p less than 0.01). compared with findings from a survey conducted in 1978 in the same area, the results of the present study show a significant (p less than 0.01) reduction in the anti-hav prevalence in both age groups. anti-hav prevalence was inversely related to th ...19902344881
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