As the original article explains, whilst the inactivated polio vaccine used in developed countries like the USA does provide good protection against being paral

As the original article explains, whilst the inactivated polio vaccine used in developed countries like the USA does provide good protection against being paralyzed by polio it's not terribly effective at preventing transmission. So it's not actually all that clear whether Rockland County's attitude to vaccination will impact anything other than the people living there in this case.