Human metapneumovirus in turkey poults

Binu T. Velayudhan, Kakambi V. Nagaraja, Anil J. Thachil, Daniel P. Shaw, Gregory C. Gray, David A. Halvorson

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

This study was conducted to reexamine the hypothesis that human metapneumovirus (hMPV) will not infect turkeys. Six groups of 2-week-old turkeys (20 per group) were inoculated oculonasally with 1 of the following: noninfected cell suspension; hMPV genotype A1, A2, B1, or B2; or avian metapneumovirus (aMPV) subtype C. Poults inoculated with hMPV showed nasal discharge days 4-9 post-exposure. Specific viral RNA and antigen were detected by reverse-transcription PCR and immunohistochemical evaluation, respectively, in nasal turbinates of birds exposed to hMPV. Nasal turbinates of hMPV-infected turkeys showed inflammatory changes and mucus accumulation. Each of the 4 hMPV genotypes caused a transient infection in turkeys as evidenced by clinical signs, detection of hMPV in turbinates, and histopathologic examination. Detailed investigation of cross-species pathogenicity of hMPV and aMPV and its importance for human and animal health is needed.

Original languageEnglish (US)
Pages (from-to)1853-1859
Number of pages7
JournalEmerging infectious diseases
Volume12
Issue number12
DOIs
StatePublished - Dec 2006

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