Use 'bacterial' to specify illnesses caused by bacteria, different from viral or fungal. Antibiotics are effective for bacterial infections but not for viral ones.
Pro Tip 2/3
Not Interchangeable
'Bacterial' should not be confused with 'viral', as they refer to different types of pathogens. A bacterial disease will require different treatment than a viral one.
Pro Tip 3/3
Resistance Awareness
‘Bacterial resistance’ refers to bacteria's ability to survive drugs meant to kill them. Overusing antibiotics can lead to bacterial resistance.