Question: what are the causes of pneumonia in dogs?
Answer: More specifically, most cases of pneumonia in dogs are caused by a bacterial infection. The most common bacteria that cause pneumonia in dogs are Bordetella bronchiseptica, Streptococcus zooepidemicus, Pasteurella multocida, Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli, and Mycoplasma species.