Across
- 2. Since doctors knew almost nothing about_______.
- 4. Pioneering work on________had been done at the end of the 18th century.
- 7. Scientists and inventors made________after 1850.
- 9. People couldn't get vaccinations to against terrible diseases such as ________.
- 10. pasteur _________invented pasteurization.
Down
- 1. Louis Pasteur used carbolic acid as an_________
- 3. _________is by heating food or liquid to kill bacteria and its named after People didn't know anything about ______and infection.
- 5. So much bacteria could be introduced into a patient's body during_____that it is astonishing that some people survived it.
- 6. People didn't know anything about ______and infection.
- 8. ________is a dreaded bacterial infection.