Cowpox was used to vaccinate against smallpox. Cowpox is a less severe infection that stimulates the same immune response as smallpox, but it’s not the same vir

Cowpox was used to vaccinate against smallpox. Cowpox is a less severe infection that stimulates the same immune response as smallpox, but it’s not the same virus. Inoculation is where a weakened pathogen is introduced to create immune resistance against that same pathogen (see inoculation parties).