Show FORMS OF DISEASE GERMS Harmless Varieties May Suddenly Change Their Nature It Is common belief that the germs of disease nourish only In the human organism and that If we could onco eradicate an Infectious malady It would stay eradicated It now seems very probable that this Is untrue According Ac-cording to a view held wholly or par tially by many pathologists and strongly upheld by Prof Hodln disease dis-ease germs are only accidentally virulent viru-lent their normal existence being what Is called saprophytic that is independent of any other organism When one of these harmless varieties changes Its nature so as to become parasitic we have a new disease Observation Ob-servation has shown that many kinds of bacteria are very unstable and are constantly forming new varieties It is possible therefore that potential germs of typhoid lockjaw or consumption con-sumption may be growing harmlessly about us to assume a virulent parasitic para-sitic life at sonic future time London Lon-don Lancet |