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Crocodile blood may yield powerful new antibiotics
Some interesting info about Archosaurian immune systems.
See these paragraphs (among others):
"The crocodile's immune system is much more powerful than that of humans,
preventing life-threatening infections after savage territorial fights which
often leave the animals with gaping wounds and missing limbs.
"They tear limbs off each other and despite the fact that they live in this
environment with all these microbes, they heal up very rapidly and normally
almost always without infection," said U.S. scientist Mark Merchant, who has
been taking crocodile blood samples in the Northern Territory.
Also, croc blood serum kills HIV more than human serum.