chromosomes
The laws of gravity as expressed by Sir Issac Newton were determined before Dr. Louis Pasteur discovered penicillin.
England 1928
Because children have weak immune systems unlike adults. So since there were no antibiotics, children would die faster then adults.
Before antibiotics were discovered, sulfa drugs were used to fight infection. They are still used prophylacticly for some conditions. For many years they were used to stop recurring bladder infections and some doctors used them to stop recurring infections among asthmatics.
Alexander Fleming in 1928.
Antibiotics are a medicine that was first discovered in the year 1928. The man responsible for inventing them was named Alexander Fleming.
Alexander Fleming discovered penicillin at St. Mary's Hospital.
the second world war had started
He discovered the Penicillin.Which is the most important discovery when it comes to the history of antibiotics.
Alexander Flemming first discovered, cultured and used penicillin
Some of the antibiotics they discovered did indeed kill the fungus; however, they also killed the test mice.