RUSSIA - Routine avian influenza monitoring uncovered a whooper swan with the disease at a nature park by the Ingren Lake.
Real-time RT-PCR showed highly pathogenic H5N1 avian influenza A virus genome to be present in a sample of internal organs.
The comparative analysis of the obtained nucleotide sequence of the H gene fragment showed that the tested isolate belonged to an Asian lineage of highly pathogenic avian influenza virus and was most similar to type A H5N1 HPAIV isolates recovered in the Tyva Republic in May, in the Astrakhan Oblast in April, 2015 and in Vietnam and China over the period from 2012 to 2014.
Control of wildlife reservoirs, movement controls inside the country and screening measures have been put in place to prevent the disease spreading.
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ThePoultrySite News Desk
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