Guinea worm have been eradicated already from many developing countries for quite some time now. Eg: they were eradicated roughly in the 1970's from India. Mos

Guinea worm have been eradicated already from many developing countries for quite some time now. Eg: they were eradicated roughly in the 1970's from India. Mostly only some African countries still have endemic of Guinea worm. Step wells contributed a large part to the propagation of disease.