The Preferred Preventative Measure for Polio in the United States

Multiple Choice

The preferred preventative measure for polio in the United States is the _______.

A) inactive vaccine developed by Jonas Salk
B) oral, active vaccine developed by Jonas Salk
C) inactive vaccine developed by Albert Sabin
D) oral, active vaccine developed by Albert Sabin
E) No preventative measures are used because polio has been eradicated in the United States.