| | Conditions Treatments | Viruses Why have smallpox and polio been the only successfully eradicated diseases? Smallpox and polio are not the only successfully eradicated diseases. Rinderpest, a cattle plague, was eradicated in 2011. Viruses - Related Articles How to Use Quick Trim Fast Cleanse How are people allergic to most dog breeds but not all? What Is Acute Renal Failure? How to React to a Child With a Lack of Cleanliness Kohler's Bone Disease How to Stimulate the Nucleus Basilis What Is an MMIS EOB Code?