Researchers believe that they have discovered why a bacterial lung infection is so lethal in the early stages, and it's not what medical authorities had thought, according to research published in the journal Immunity. The study reveals for the first time that a toxin released by bacteria causes severe bleeding in the lungs by patients with pneumococcal pneumonia. It is the bleeding, the authors argue, not inflammation as once thought, which makes the infections deadly. [click link for full article]
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