When was the first successful polio vaccine developed? 1930 1945 1955 1962 None What type of vaccine did Jonas Salk create to combat polio? Live attenuated vaccine Inactivated (killed) vaccine Subunit vaccine mRNA vaccine None In which country did the first large-scale trial of the polio vaccine take place? United States Canada England Australia None What organization played a key role in funding the development of the polio vaccine? World Health Organization (WHO) United Nations Educational, Scientific and Cultural Organization (UNESCO) Centers for Disease Control and Prevention (CDC) March of Dimes None What significant event is celebrated as "Jonas Salk Day"? Vaccine Distribution Day Polio Eradication Day Salk's Birthday Vaccine Discovery Day None Time's up
