Influenza at the human-animal interface summary and assessment, 1 October 2021

Overview

Since the previous update on 8 August 2021, ten human cases of infection with avian influenza A(H5N6) viruses, two human cases of infection with avian influenza A(H9N2) viruses, five human cases of infection with influenza A(H1N1) variant viruses and two human cases of infection with influenza A(H1N2) variant viruses were reported officially. One human case of infection with an influenza A(H5N6) virus, one human case of infection with an influenza A(H9N2) virus, two human cases of infection with influenza A(H1N1) variant viruses, two human cases of infection with influenza A(H1N2) variant viruses and one human case of infection with an influenza A(H3N2) variant virus were also detected.