cVDPV
Circulating vaccine-derived polio virus or cVDPV are outbreaks of polio that are actually caused by the polio vaccine.
polio
Are More Polio Cases Now Being Caused by the Vaccine Than by Wild Polio Viruses?
Review why more polio cases are now being caused by the vaccine than by wild polio viruses.
Why Do Anti-Vax Folks Get Excited About Polio Outbreaks?
Anti-vax folks take advantage of outbreaks of vaccine derived polio outbreaks to scare parents.
VAPP
VAPP or vaccine-associated paralytic polio are cases of polio that are actually caused by the oral polio vaccine.