Evaluation of antibody response to vaccination against west nile virus in thick billed parrots (rhynchopsitta pachyrhyncha)

Jennifer Glavis, R. Scott Larsen, Nadine Lamberski, Patricia Gaffney, Ian Gardner

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

West Nile virus (WNV) was first documented in North America in New York City in 1999. Several deaths attributable to WNV have been reported in captive thick-billed parrots (Rhynchopsitta pachyrhyncha), an endangered psittacine native to North America. The serologic responses in 12 captive adult thick-billed parrots after a series of three initial WNV vaccine injections with annual boosters over 6 yr was evaluated. In addition, the serologic responses of 11 thick-billed parrot chicks following an initial vaccination series to determine if there were seroconversions were also reported. Most adults (67%) had seroconverted after 5 yr of annual vaccination, with a median titer of 1:80 (range 1:401:160) for those that seroconverted. After the first year, birds were likely naturally exposed to WNV, which limited interpretation of titers. None of the chicks seroconverted during the initial three-vaccine series; only two of four chicks (50%) had seroconverted when tested at the 1-yr yearly booster, and at 2 yr, three of four chicks had seroconverted. Although some birds had detectable antibody titers, it is unclear whether this vaccine can reliably provide protection against WNV in thick-billed parrots.

Original languageEnglish (US)
Pages (from-to)495-498
Number of pages4
JournalJournal of Zoo and Wildlife Medicine
Volume42
Issue number3
DOIs
StatePublished - Sep 1 2011

Fingerprint

Parrots
West Nile virus
Antibody Formation
Vaccination
vaccination
chicks
antibodies
North America
Birds
West Nile Virus Vaccines
vaccines
Vaccines
Psittaciformes
birds
seroconversion
Injections
Rhynchopsitta pachyrhyncha
Antibodies
death
injection

Keywords

  • antibodies
  • psittacines
  • Rhynchopsitta pachyrhynca
  • thick-billed parrots
  • vaccination
  • vaccine
  • West Nile virus

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

Cite this

Evaluation of antibody response to vaccination against west nile virus in thick billed parrots (rhynchopsitta pachyrhyncha). / Glavis, Jennifer; Larsen, R. Scott; Lamberski, Nadine; Gaffney, Patricia; Gardner, Ian.

In: Journal of Zoo and Wildlife Medicine, Vol. 42, No. 3, 01.09.2011, p. 495-498.

Research output: Contribution to journalArticle

Glavis, Jennifer ; Larsen, R. Scott ; Lamberski, Nadine ; Gaffney, Patricia ; Gardner, Ian. / Evaluation of antibody response to vaccination against west nile virus in thick billed parrots (rhynchopsitta pachyrhyncha). In: Journal of Zoo and Wildlife Medicine. 2011 ; Vol. 42, No. 3. pp. 495-498.
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