Answer:
Step-by-step explanation:
there was no effective treatment for infections such as pneumonia, gonorrhea or rheumatic fever. Hospitals were full of people with blood poisoning contracted from a cut or a scratch, and doctors could do little for them but wait and hope.
Arsenicals and sulphonamides, drugs made by chemical tinkering with synthetic dyes, as well as a number of disinfectants made with metal ions toxic to bacteria, such as mercury or copper, were in use well before the introduction of penicillin.