1. Cowpox is an infectious disease caused by the Cowpox virus

2. Those days, getting cowpox vaccination was a big deal

3. The Cowpox virus is closely related to variola, the causative virus of smallpox

4. The word vaccinia is sometimes used interchangeably with Cowpox to refer to the human form of the

5. Cowpox, mildly eruptive disease of Cows that when transmitted to otherwise healthy humans produces immunity to smallpox