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Prevalence of HBsAg and anti-HBs among delivering women
A survey of 2,500 delivering women revealed a 7.6% incidence of past infection with hepatitis B virus (HBV) (HBsAg or anti-HBs). Only 5.9% of the anti-HBs-positive mothers had a possible history of parenteral exposure to hepatitis B and none of the 55 HBsAg carriers had such a history. The findings suggest that HBV is endemic and that it is probably spread in part by nonparenteral means. The high rates of HBsAg and anti-HBs point to the possible preventive value of routine screenings for this system among pregnant women.
A survey of 2,500 delivering women revealed a 7.6% incidence of past infection with hepatitis B virus (HBV) (HBsAg or anti-HBs). Only 5.9% of the anti-HBs-positive mothers had a possible history of parenteral exposure to hepatitis B and none of the 55 HBsAg carriers had such a history. The findings suggest that HBV is endemic and that it is probably spread in part by nonparenteral means. The high rates of HBsAg and anti-HBs point to the possible preventive value of routine screenings for this system among pregnant women.