They believed  infectious bacterial disease had been conquered.

They believed it was dangerous and that the government was trying to reduce cost after the war.

They thought it would make them  prosperous and help them recover after the war effort.

They had to choose patients and took urine samples to select the fittest patients.

They found a way to lower the dose that was administered to patients and that way they saved many more people than they had expected.

They collected urine from the patients who  had received penicillin and re-administered it to other  patients.

He secretly carried the miracle mould to the United States to get help  in purifying it and mass producing it.

He secretly brought Fleming to the United States because he was not allowed to go there and risked being deported.

He secretly carried the miracle mould to the United States to sell it in mass quantities all over the world.

He discovered a magic bullet that would kill faster.

He discovered that penicillin had been used by ancient cultures.

During World War II

During World War I

Between World War I and World War II

After World War II

Present and future

Future

Present