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Prospective serological and clinical studies on infants born in Kuwait with an elevated IgM in cord blood.

Little is known about congenital viral and toxoplasmal infections in the developing countries. This study attempts to provide preliminary data on such infections among Arab mothers and infants in Kuwait. Babies born with an elevated IgM in cord blood were selected at birth and then studied prospectively during the first year of life for serological and clinical evidence of viral and toxoplasmal infections. There appeared to be a significant association between the elevation of total cord blood IgM and the selection of cases with cytomegalovirus infection. Demonstration of specific IgM in cord sera was attempted, whenever possible, to provide further evidence of congenital infection and to exclude early postnatal infections. In 18.5% of cases there was an association between serological evidence of infection and certain clinical abnormalities. Apart from cytomegalovirus and rubella virus, no evidence was found for congenital infection by other viruses or toxoplasma in this study.