"Blood poisoning" is a phrase used to describe a serious condition where harmful bacteria, toxins, or other substances invade the bloodstream, causing a widespread infection. Full definition
They have five times the chance of dying from pneumonia and twice the chance of being killed by blood poisoning. (conservativehome.blogs.com)
Not only does this look nasty it can actually be relatively dangerous and in extreme cases could allow blood poisoning to occur. (thethreedogblog.com)
He died of blood poisoning after a leg amputation (during which he insisted on holding the candle himself, providing light for the surgeons), but not before he had himself produced an heir» his only one» Cosimo de» Medici, who went on to become the grand duke of Tuscany, making Caterina the direct ancestress «of a line that would become synonymous with the great city of Florence. (firstthings.com)