: Not sure about the etymology of the word vaccination. Vaccinia? is a term for cowpox so probably vaccination is derived from it. Kpjas Indeed. And the phrase Vaccinia is derived from the word for Cow. Can't remember whether its latin or Greek though. Vacca is Latin for a cow. AFAIR |
Some modern vaccines are administered after the patient already has the disease as in experimental AIDS and cancer vaccines. |
Some modern vaccines are administered after the patient already has the disease as in experimental AIDS, cancer and Alzheimers disease vaccines. /Talk? |