Duration of maternally derived antibodies against equine influenza in newborn foals.

Irwin Liu, D. R. Pascoe, L. W. Chang, Y. C. Zee

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Serum antibody concentrations against influenza A-equi-1 virus and A-equi-2 virus were measured in a group of 18 foals from birth to 4 months of age. More than 50% of the foals were seronegative to A-equi-1 virus infection by 4 weeks of age, with titers of less than or equal to 1:16. For A-equi-2 virus, more than 50% of the foals were seronegative by 2 weeks of age, with titers of less than or equal to 1:8. Passively derived antibodies against influenza A-equi-1 virus and A-equi-2 virus in foals obtained from recently vaccinated mares and from mares not vaccinated within 6 months before foaling were low in titer. The duration of passively derived antibodies was also short-lived.

Original languageEnglish (US)
Pages (from-to)2078-2080
Number of pages3
JournalAmerican Journal of Veterinary Research
Volume46
Issue number10
StatePublished - Oct 1 1985
Externally publishedYes

ASJC Scopus subject areas

  • veterinary(all)

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