research article on polio vaccine

IMAGES

1. Safer Polio Vaccines on Way for Use After Eradication

   

2. Polio (U.S. National Park Service)

   

3. What to Know About Polio: Vaccines, Symptoms and How It Spreads

   

4. Science And Technology: A new polio vaccine joins the fight to vanquish the paralyzing disease

   

5. What you need to know about the polio vaccine

   

6. Frontiers