Penicillin If Dr. Alexander Fleming hadn't discovered penicillin in 1928, millions of people would have died from infections. However, the widespread use of penicillin as an antibiotic did not begin until the 1940s, during World War II.
Penicillin If Dr. Alexander Fleming hadn't discovered penicillin in 1928, millions of people would have died from infections. However, the widespread use of penicillin as an antibiotic did not begin until the 1940s, during World War II.