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Virologica Sinica, 32 (2) : 155, 2017
Letter
Phylogenetic analysis of avian infectious bronchitis virus isolates from Morocco: a retrospective study (1983 to 2014)
1. Unité de Pathologie Aviaire, Département de Pathologie et Santé Publique Vétérinaire, Institut Agronomique et Vétérinaire Hassan Ⅱ, Rabat 10000, Morocco
2. Société de Produits Biologiques et Pharmaceutiques Vétérinaires, Rabat 10000, Morocco
3. Biotechnology Research Unit, National Institute for Agronomic Research(INRA), Rabat 10000, Morocco
4. Interactions H?tes-Agents Pathogènes, Université de Toulouse, Institut National de la Recherche Agronomique, école National Vétérinaire de Toulouse, Toulouse 31076, France
5. Integrated Research Facility at Fort Detrick, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Frederick 21702, USA
6. Laboratoire de Virologie, Microbiologie et Qualité/Ecoto xicologie & Biodiversité, Faculté des Sciences et Techniques, Mohammedia, Université Hassan Ⅱ-Casablanca, Mohammedia 20650, Morocco
 Correspondence: elhouadfimohammed@yahoo.fr
(2251.53KB)  (175.28KB)  
Abstract
In Morocco, molecular and genetic characterization of IBV strain diversity have been very limited. A long-term retrospective study on Moroccan isolates is required to improve understanding of IBV evolution and IB epidemiology. The objective of this report is to perform a retrospective analysis of the origin and evolution of 62 Moroccan IBV isolates obtained from unvaccinated (21%) and vaccinated (70%) poultry flocks showing clinical signs of IB between 1983 and 2014.
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Received: 24 Apr 2017  Accepted: 24 Apr 2017  Published online: 24 Apr 2017
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