Sum 41's Deryck Whibley Is 'Not Out of the Woods' After Pneumonia Battle

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