Vaccinations are the cornerstone of any eradication effort! Further, there are people who can't get vaccinated for a variety of reasons (the CDC has a list her

Vaccinations are the cornerstone of any eradication effort! Further, there are people who can't get vaccinated for a variety of reasons (the CDC has a list here for various vaccines: http://www.cdc.gov/vaccines/vpd-vac/should-not-vacc.htm http://www.cdc.gov/vaccines/vpd-vac/should-not-vacc.htm). Those are the people that we need the herd immunity for.