Pharyngitis is an inflammation of the throat that has many causes, some of which are bacterial infections.
Scarlet fever is caused by a bacteriophage that infects Streptococcus pyogenes.
Diphtheria is an upper respiratory infection that is largely benign unless left untreated, at which point very harmful toxins are produced.
Otitis media, or earache, is the inflammation of the middle ear and is often due to bacterial infections.
Pertussis, more commonly known as whooping cough, is a bacterial infection of the upper respiratory system.
Tuberculosis is a common, and in many cases lethal, infectious bacterial disease that mainly affects the lungs.
Pneumonia is an inflammatory lung disease that can lead to problems with breathing, often caused by bacterial infections.