Bacteria Shown To Cause Blood Clots: Bacterial Clotting Depends On Clustering

Bacteria can directly cause human blood and plasma to clot -- a process previously thought to have been lost during vertebrate evolution. The discovery may lead to new clinical methods for treating serious medical conditions such as sepsis and anthrax. The key to clot formation is the location of the bacteria, rather than the total number of bacteria or their concentration. Coagulation occurs only when a cluster of bacteria forms.

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