PMID(sorted ascending)
seroprevalence of varicella antibodies among pregnant women in lyon-france.the purpose of the study was to calculate the seroprevalence of immunity to the varicella-zoster virus (vzv) infection and to evaluate the positive predictive value (ppv) and the negative predictive value (npv) of the self-reported history of vzv infection in pregnant women. a cross sectional study was conducted in 18 private medical analysis laboratories. information on socio-demographic characteristics and past history of varicella or zoster were collected using a questionnaire. blood samples ...200717534728
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