This study states that the Sea-going birds are the repository of flu An infections and liable for the development and significant distance spread of the infection . Infrequently, overflow into homegrown poultry or tamed warm blooded creatures can bring about human diseases and supported transmission inside another mammalian host, as demonstrated by equine flu infection (H3N8) (EIV).
The starting point of the H3N8 ancestry is obscure; in any case, phylogenetic examinations and uracil content investigation recommend that these infections began in wild birds. The H3N8 EIV-like polymerase acidic (PA), nucleoprotein (NP), and nonstructural (NS) qualities have been recognized in avian flu infections (AIV) separated from South American wild birds since the mid-2000s; the latest disengagement was in Argentina during 2016 . Time to the latest regular precursor (tMRCA) examination proposes that these qualities probably began in AIVs during the 1950s. In any case, an EIV-like H3 hemagglutinin (HA) presently can’t seem to be recognized in AIVs from wild birds.
Therefore we conclude that we performed dynamic reconnaissance of wild birds in Chile and separated 6 particular AIVs with HA, NP, NS, and PA qualities having high nucleotide homology with the 1963 H3 EIV.
Reference link- https://wwwnc.cdc.gov/eid/article/26/12/20-2063_article
