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We examined the role of wild birds in the epidemiology of avian coronaviruses by studying oropharyngeal swabs from 32 wild bird species. The 14 avian coronaviruses detected belonged to the gamma-coronaviruses and shared high nucleotide sequence identity with some previously identified strains in wild waterfowl, but not with infectious bronchitis viruses.
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Kim et al. (2014) studied this question.
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