Nature's answer to germ warfare - Calgary Herald - Nature's answer to germ warfareCalgary Herald,  CanadaIn the 1940s, improved sanitation and nutrition and the rise of antibiotics significantly reduced deaths occurring from cholera, diphtheria, tuberculosis, smallpox, typhus, hepatitis and amoebic dysentery. Today, 90 per cent of visits to doctor's ... [Google TB NEWS]