Plague

Medieval 'Black Death' that killed millions. Yersinia pestis causing bubonic lymphadenopathy.

Key facts

Did you know?

Y. pestis employs a sophisticated dual-elimination strategy - producing murine toxin to kill competing rodent hosts while using pesticin bacteriocin to eliminate competing bacterial species. This allows the bacteria to simultaneously manage both its mammalian ecosystem (preserving humans as transmission reservoirs while removing rodent competitors) and its microbial environment (securing exclusive access to host resources by eliminating bacterial rivals).

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