can be used for a country or region. o Regional elimination is an impoant precursor of eradication. o Three diseases have been eliminated in India -4 Dracunculiasis, Leprosy, Yaws. o Next diseases likely to be eliminated from India --> Kala-azar (because of wonder drug for kala-azar, i.e. milte-fosine), neonatal tetanus, poliomyelitis, lymphatic .filariasis. iii)Disease eradication o Eradication implies termination of all transmission of infection by extermination of infectious agent. o It is an absolute process, i.e. all or none phenomenon. o It literally means "tearing out by roots". o Eradication is a "global term" -4 used only cessation of infection from the whole world. o Smallpox is the only disease that has been eradicated. o Other diseases which are candidates for global eradication ---> Polio, measles, dracunculiasis, diphtheria. Note -Though eradication is global term, sometimes it is used for a country also (where elimination should be used) -"Small pox and Guinea worm have been eradicated from India".">