NY county with polio has pitiful 60% vaccination rate; 1,000s may be infected
Enlarge / Transmission electron micrograph of poliovirus sort 1. The vaccine-derived poliovirus that left an unvaccinated US resident with the ...
Tag: pitiful
Enlarge / Transmission electron micrograph of poliovirus sort 1. The vaccine-derived poliovirus that left an unvaccinated US resident with the ...