Number one cause of many common infectious diseases especially of the respiratory system. In 1940's , with the introduction of penicillin, this disease became easily treated. Examples of rapid spread were given. Penicillin doesn't work against these resistant bugs. Example given of study done at day care center in Ohio with strep pneumo resistance.
Antibiotic use drives resistance but more often drives cross resistance.
Community acquired pneumonia - much more apt to kill than many other ID presentations. Stick with amoxicillin for uncomplicated acute otitis media in children. Usual rational is that the patient may have sinusitis. Pneumococcal vaccine - less than half of adults over 65 have received it. Better vaccine against strep now being developed which will probably be given during infancy.