CDC established the Polio SurveillanceᅠProgram
In 1955, the Epidemic Intelligence Service (EIS) of the CDC established the Polio SurveillanceᅠProgram.
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Source: U.S. Centers for Disease Control and Prevention
Credit:
In 1955, the Epidemic Intelligence Service (EIS) of the CDC established the Polio SurveillanceᅠProgram.
Tags:
Source: U.S. Centers for Disease Control and Prevention
Credit: