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This paper reports the results of a survey on vaccination coverage among children born in January 1995 and residing at the beginning of the study (March 1998) in the city of Naples, Italy. The percentages vaccinated, at various times from birth, with oral polio vaccine (OPV), have been compared with those found in a similar survey conducted at the end of 1985 regarding the cohort of children born...
Hepatitis A vaccination stops outbreaks of hepatitis A infection, but its efficacy against infection after exposure has not been proven. We investigated the use of hepatitis A vaccine to prevent secondary infections with hepatitis A virus (HAV). We did a randomised controlled trial of hepatitis A vaccine in household contacts of people with sporadic HAV infection (index cases). Households (index...
The ongoing vaccination campaign against hepatitis B (HB) for newborns of hepatitis B surface antigen (HBsAg) positive mothers and for 12-year-old subjects was evaluated in Naples, Italy, an area of relatively high HB endemicity. Subjects were recruited by a random sampling procedure. Among 2060 pregnant women studied, 1887 (91.6%) were screened for HBsAg. HBsAg prevalence was 2.5% (471887). Immunoprophylaxis...
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