''Based on sequence analysis, the HA and NA genes showed that this isolate, designated A/ #Taiwan /1/2023 #H1N2v, is a novel #reassortant virus containing HA & NA genes segments derived from #swine influenza A(#H1N2) viruses, which may have been circulating locally for decades. The other 6 internal genes are from #human influenza A #H1N1pdm09 viruses. HA (#H1) belongs to influenza clade 1A, #Eurasian #Avian-like, and shares a similarity of 94% to A/Taiwan/2021 (H1N2)v.''

''Overview: From 25 April to 31 May 2023, one human case of infection with an influenza A #H1N2v variant virus, two human cases with positive influenza A(#H5N1) detections, one human case of infections with an influenza A(#H5N6) virus, and one human case of infection with an influenza A(#H9N2) virus were reported officially. ''