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N Engl J Med. 1981 Aug 13;305(7):368-71.

Perinatal echovirus infection: risk of transmission during a community outbreak.


During a community outbreak of enterovirus infection, seven of 194 pregnant women (3.6 per cent) were found to be excreting a prime strain of echovirus 11 at term. Each of the seven women possessed serum neutralizing echovirus 11 antibody in titers ranging from 1:20 to 1:320, and the cord serum of their seven infants had antibody in titers of 1:10 to 1:640. None of these seven infants became ill, but four were shedding virus from the respiratory or gastrointestinal tract by three days of age. In a previous study, four infants who died of generalized infection due to the same strain of echovirus 11 had no detectable antibody in cord serum. None of the infants of virus-negative mothers became infected, according to cultures at hospital discharge (151 infants) or at two weeks of age (135 infants). We conclude that passive transplacental acquisition of antibody prevents severe, systemic echovirus disease but does not prevent mucosal infection in the perinatally infected infant.

[Indexed for MEDLINE]

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