Nearly 5 million flu cases in Poland: audio report 21.03.2023 18:30 The flu has hit Poland hard, with almost 5 million cases of lab-confirmed influenza illness. Audio 03'36 Audio report: Click to listen Photo:PAP/Roman Zawistowski The extent of the epidemic is unusual considering that the flu season generally begins in October and usually lasts until late January. Ada Janiszewska has the story. Click on the audio player above to listen.