Centenary of death of Hungarian scientist Semmelweis marked.
Item showing volunteers doing research on the common cold. Salisbury, Wiltshire.
New tuberculosis drug produced in New Jersey and tested in New York hospital.
The inventor of penicillin receives presentation on 25th anniversary of its discovery.
Penicillin is mass produced in Indiana factory. America (USA).
Sir Alexander Fleming, discoverer of Penicillin, has died.
Film explaining how penicillin was discovered and spores being incubated to produce drug.