11.   We have eradicated smallpox from the face of the earth, and yet we are impotent in the face of new diseases.

12.   You could eradicate smallpox, because you eliminated its environment by vaccinating people.

13.   More than two decades ago, smallpox was eradicated.

14.   Since smallpox was eradicated, the CDC has sent epidemiologists to investigate suspect illnesses a few times a year.

15.   The agency has eradicated smallpox and believes it also on track to eliminate polio in the next few years.

16.   The company used to be the main supplier to the World Health Organization in its campaign to eradicate smallpox.

17.   The State Department reiterated its support Monday for Dr. William H. Foege, who is credited with helping eradicate smallpox from the world.

18.   Vaccines eradicated smallpox.

19.   WHO officials have compared the plans to a successful campaign to eradicate smallpox.