Scientists pinpoint when harmless bacteria became flesh-eating monsters - discu.eu

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Scientists pinpoint when harmless bacteria became flesh-eating monsters -- The switch happened only 30 years ago; the bacteria (GAS, or Group A β-hemolytic streptococcus) now kills 500,000 per year http://arstechnica.com/science/2014/04/scientists-pinpoint-when-harmless-bacteria-became-flesh-eating-monsters/ 59 comments 15/4/2014 science