In late 2017, increased mortality was detected in chicken farms in Algeria undergoing A(H9N2) influenza outbreaks. Analysis of viruses isolated from affected farms showed that they were monophyletic, were of the G1 hemagglutinin (HA) lineage, and were antigenically and genetically similar to viruses detected contemporaneously in other countries in Northern Africa and the Middle East. The virus was able to spread via contact transmission between ferrets but did not cause disease in intravenously inoculated chickens.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6800309 | PMC |
| http://dx.doi.org/10.1111/irv.12675 | DOI Listing |
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