Most cases of polio in this country are caused by the vaccine designed to prevent it. NOVA examines the controvery surrounding the nation's vaccine policy.
| Creator | N/A |
|---|---|
| Actor | N/A |
| Country | United States of America |
| Production | GBH |
Most cases of polio in this country are caused by the vaccine designed to prevent it. NOVA examines the controvery surrounding the nation's vaccine policy.
| Creator | N/A |
|---|---|
| Actor | N/A |
| Country | United States of America |
| Production | GBH |