Deryck Whibley in the ERPosted by Jason TateSep 15, 2023 Deryck from Sum 41 is currently in the ER fighting pneumonia. UPDATE • Sep 17, 2023He has been released from the hospital. View this post on InstagramA post shared by A r i W h i b l e y (@aribarbara) UPDATE • Sep 17, 2023 View this post on InstagramA post shared by A r i W h i b l e y (@aribarbara)