Two infectious diseases have successfully been eradicated&colon; smallpox and rinderpest. Malaria was eradicated, and trachoma and tuberculosis greatly curtailed. Polio vaccination programs have virtually eradicated new cases of poliomyelitis in the developed world. To date, two diseases have been eradicated using herd immunity and vaccination&colon; rinderpest and smallpox. In subsequent decades, WHO largely eradicated polio, river blindness, and leprosy. It had virtually eradicated polio in the US by 1965. By 1979 the disease had been completely eradicated, with no new outbreaks. Malaria was eradicated using DDT in the mid-1950s. They were victims of the (now eradicated) viral illness rinderpest. Slavery was never fully eradicated in Africa. Under this program, malaria was eradicated. The United States eradicated malaria in 1951. Once established, Formosan termites have never been eradicated from an area. However, the disease has not been eradicated and could re-emerge. Speeding is not legalized simply because it can never be eradicated.