OPINION

The only way to eliminate polio

News, Florence Gyembuzie Wongnaah, Published on 23/05/2023

» When Jonas Salk's polio vaccine was found to be safe and effective in 1955, following a successful trial involving nearly two million American children, it marked a turning point in the fight against a highly infectious disease causing incurable paralysis or even death. Prior to Salk's discovery, between 25,000 and 50,000 cases were recorded each year in the United States alone, and little was known about how the virus spread.