Avian flu is an exceptionally infectious viral sickness of poultry, ready to taint all types of birds (1). Of the 2 existing pathotypes, low pathogenicity avian flu (LPAI) and profoundly pathogenic avian flu (HPAI), disease with LPAI infection is for the most part undetected in a run however can cause some respiratory signs, egg drop, dormancy, and restricted mortality (2,3). Avian flu H5/H7 subtypes are on the whole notifiable to the experts in Europe in light of the fact that versatile changes can impact the polybasic idea of the hemagglutinin (HA) cleavage site, bringing about HPAI rise (4). For any remaining avian flu subtypes, just those with an intravenous pathogenicity record (IVPI) >1.2 should be accounted for.
In southern Belgium, just 1 homestead was clinically influenced, for which an immediate connection with a positive ranch in northwestern Belgium was recognized. Likewise, 5 homesteads with asymptomatic poultry tried positive for H3N1 infection without an unmistakable connection to the classification of ranch or species (2 oven, 1 outside laying, 1 ostrich, and 1 grill raiser ranch). In France, 3 ranches were H3N1-positive; 2 showed an immediate connection with an organization from the influenced space of Belgium.
Reference link- https://wwwnc.cdc.gov/eid/article/26/8/19-1338_article