The small Asian country of Laos has been polio-free, at least officially, until now when the polio vaccine has brought the disease back to the
Tag: oral polio vaccine
New Case of Polio in Mali Caused by Polio Vaccine
After paralyzing two children in Ukraine, the poliovirus spread by the oral polio vaccine has brought polio back to Mali. CBS News cited the World
2 Children in Ukraine Paralyzed by Polio Vaccine
For decades the oral polio vaccine has been known to cause polio. Now the vaccine has reportedly brought polio back to Europe. As reported on