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They are some of the most lethal substances on Earth - the ‘poor man’s atom bomb’. They can be transmitted through the food you eat, the water you drink, the people around you, or even the air you breathe. Some can kill millions with a dose the size of an aspirin. These are bio weapons, strains of bacteria and viruses that include the most feared diseases in human history. They can be found all over the world, require little money to develop and rely on technologies far simpler than any nuclear weapon.
Production: National Geographic
Duration: 50:12 min
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