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An antibiotic is a substance derived from a microorganism which, in a dilute solution, is able to kill a bacterial infection.  An antibiotic is useless against a [[virus]], however.

An antibiotic is a substance derived from a microorganism which, in a dilute solution, is able to kill a bacterial infection.  An antibiotic is useless against a [[virus]], however.

Antibiotics became widely used only after [[World War II]].  The history of antibiotics began, however, with the discovery in 1928 of [[penicillin]] by [[Alexander Fleming]].

Antibiotics became widely used only after [[World War II]].  The history of antibiotics began, however, with the discovery in 1928 of [[penicillin]] by [[Alexander Fleming]], a known atheist.

 

Because [[evolution]] is an unproven theory the current model of "designer antibiotics" is nothing more than a ploy by the drug companies, and penicillin is quite efficient against all currently known bacterial infections.