Sum 41’s Deryck Whibley Gives Health Update After Scary Pneumonia Hospitalization: ‘Not Out of the Woods Yet’

Sum 41 Singer Deryck Whibley Back Home After Hospitalization For Pneumonia: ‘He Is Able to Breathe Without as Much Pain’

Sum 41 Lead Singer Deryck Whibley Hospitalized Thursday With Pneumonia, Now Recovering At Home

Sum 41 frontman Deryck Whibley rushed to ER with pneumonia and expected to spend DAYS in hospital... as wife reveals there's a 'possibility of heart failure'