 |
 |
 |
| Type 1 Poliovirus | Type 2 Poliovirus | Elvis
Presley Receives His Polio Shot October 28, 1956 |
 |
 |
 |
| Prevent Polio with Vaccine | Deformity and Paralysis due to Polio | Polio Distribution by Country |
|
|
|
| Type 1 Poliovirus | Type 2 Poliovirus | Elvis
Presley Receives His Polio Shot October 28, 1956 |
|
|
|
| Prevent Polio with Vaccine | Deformity and Paralysis due to Polio | Polio Distribution by Country |