Human cases of influenza at the human-animal interface, January 2015 – April 2017

Overview

This report summarizes the epidemiological and virological features of the laboratory-confirmed human cases of infection with non-seasonal influenza viruses of animal origin, including avian influenza A(H5), A(H7) and A(H9N2) and swine-origin viruses. Included in the report are details on cases reported to WHO with onset dates from January 2015 through to April 2017, as well as brief summaries on all cases reported to date.