The Discovery of Penicillin

1.Alexander Fleming discovered a substance called ___ that could kill dangerous bacteria.

2.Penicillin became the first ___ medicine in the world.

3.Before Fleming's discovery, people often died because ___ would spread inside their bodies.

4.Fleming worked at ___ in London, where he studied bacteria.

5.Fleming noticed that a type of ___ had started growing on one of the plates by accident.

6.The bacteria around the mould had ___.

7.The mould that Fleming found belonged to a group called ___.

8.Penicillin did not harm ___ cells, which made it very special.

9.Penicillin was very difficult to produce in ___.

10.Fleming's discovery was not used to treat ___ for many years.

11.In 1939, two scientists at ___ became interested in Fleming's work.

12.Florey and Chain worked with a team to find better ways to produce ___.

13.By 1940, they had made enough penicillin to test it on ___.

14.The first human patient received penicillin treatment in ___.

15.The first human patient was a ___ who had a serious infection from a small cut.

16.The patient died because the supply of ___ ran out before he was completely well.

17.During World War Two, many soldiers were dying from ___.

18.Britain and ___ worked together to produce penicillin in large quantities.

19.Fleming, Florey and Chain received the ___ in Medicine in 1945 for their work on penicillin.

20.Scientists began looking for other ___ that could fight different types of bacteria.