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What is Which one of the following hapatitis viruses have significant perinetal transmission ? and explain in detail?
Hepatitis B virus infection is prevalent in Asia, Africa,Southern europe.HBsAg seropositive ranges from 2-20%.In hyperendemic areas HBV infections occur mainly during infancy and early childhood.In Asia perinatal transmission from HBsAg mother to their infants is a very impoant route of transmission,leading to chronicity.Approximately 90%of the infants of HBeAg seropositive carrier mothers become HBsAg carriers,irrespective of a high or low HBsAg carrier rate in the population. Ref : ESSENTIAL PEDIATRICS,O.P.GHAI, PG NO:192, 7thedition