A virus was isolated in association with respiratory disease typical of turkey rhinotracheitis, from turkeys which had been vaccinated with a B subtype Avian Metapneumovirus (AMPV) vaccine. Sequencing of the virus showed that, as in a previous similar report, the virus had originated from a live A subtype vaccine. In this instance the disease was much later, at 50 days of age, and there had been no recent history of use of the vaccine. This may indicate that AMPV vaccines are able to circulate in the environment for longer than was previously envisaged

Turkey rhinotracheitis outbreak in 7 week old turkeys caused by a vaccine derived AMPV

RICCHIZZI, ENRICO;CATELLI, ELENA;LUPINI, CATERINA;
2009

Abstract

A virus was isolated in association with respiratory disease typical of turkey rhinotracheitis, from turkeys which had been vaccinated with a B subtype Avian Metapneumovirus (AMPV) vaccine. Sequencing of the virus showed that, as in a previous similar report, the virus had originated from a live A subtype vaccine. In this instance the disease was much later, at 50 days of age, and there had been no recent history of use of the vaccine. This may indicate that AMPV vaccines are able to circulate in the environment for longer than was previously envisaged
Proceedings of the VI International Symposium on Avian Corona- and Pneumoviruses and Complicating Pathogens
260
264
RICCHIZZI E.; CATELLI E.; CECCHINATO M.; LUPINI C.; BROWN P.; NAYLOR C.J.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/84050
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