Siddharth Chatterjee : We have vaccines to prevent nearly 30 diseases . The world is close to eradicating the polio virus , a disease that once killed , crippled many . Chatterjee : Myths and misinformation pose an obstacle to eliminating polio . In 1988 , polio was a disease that crippled or killed more than 350,000 individuals every year , mostly children . This interview was conducted by email and edited.
Siddharth Chatterjee : We have vaccines to prevent nearly 30 diseases . The world is close to eradicating the polio virus , a disease that once killed , crippled many . Chatterjee : Myths and misinformation pose an obstacle to eliminating polio . This interview was conducted by email and edited.