Anchor: Viral plagues such as smallpox, polio, measles, hepatitis B, rabies, and other once-terrifying scourges have only been beaten back by vaccines.
Entailed: Vaccines are the only real cure to various viral plagues.
Contradiction: Viral plagues like smallpox, polio and hepatitis B have never been beaten by vaccines.
Contradiction: These viral diseases have no known cure at all.
Contradiction: Vaccines have totally failed to stop viral plagues.
Contradiction: There was no defense for the Simpson case. 
Contradiction: Some traditionalists pay over $50 to have a printed version of Slate mailed to them weekly.