Decay of maternally derived measles antibody in a highly vaccinated population in southern israel

Ron Dagan, Paul E. Slater, Poria Duvdevani, Nina Golubev, Ella Mendelson

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

The introduction of live attenuated measles vaccine in Israel during 1967 dramatically decreased the incidence of measles. However, cases still occur in periodic outbreaks and epidemics, with an increasing proportion of infants and children younger than 2 years of age. We examined the decay of maternally derived measles antibody during the first year of life in the Jewish population of Israel which represents a highly vaccinated population with immunization rates exceeding 90%. We used sera of healthy full term infants born in 1988 and 1989. Fifty specimens for each of the following age groups were used: 0 (cord blood), 2, 4, 6, 7 and 12 months. Three assays for each specimen were used: enzyme-linked immunosorbent assay (ELISA); hem-agglutination-inhibition test (HI); and neutralization test (NT). Good correlation among all 3 tests was found. All cord blood specimens were positive by at least 2 assays. Seropositivity rates declined rapidly with age. Fifty percent of all 4-month-old infants and <30% of all 6-month-old infants were positive by 1 test or more; at 12

Original languageEnglish
Pages (from-to)965-969
Number of pages5
JournalPediatric Infectious Disease Journal
Volume14
Issue number11
DOIs
StatePublished - 1 Jan 1995
Externally publishedYes

Keywords

  • Immunity
  • Immunization
  • Measles

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Microbiology (medical)
  • Infectious Diseases

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