*Acute [[Bronchitis#Infectious causes of bronchitis or bronchiolitis|bronchopneumonia]] and may progress to [[Lobar Pneumonia|lobar pneumonia]] with toxaemia | *Acute [[Bronchitis#Infectious causes of bronchitis or bronchiolitis|bronchopneumonia]] and may progress to [[Lobar Pneumonia|lobar pneumonia]] with toxaemia |