Assertion: oral polio vaccine | /r/HasProperty | developed by albert sabin
Facets:
Source sentences:
text: A different, oral polio vaccine was developed by Albert Sabin and came into commercial use in 1961.
text: A global effort to eradicate polio, led by the World Health Organization (WHO), UNICEF, and the Rotary Foundation, began in 1988 and has relied largely on the oral polio vaccine developed by Albert Sabin and Mikhail Chumakov (Sabin-Chumakov vaccine).