Pestis in a sentence as a noun

Yersinia pestis, and your choice of "no" and "yes, this happens yearly"

They’re both caused by the same bacteria, yersinia pestis.

You really don't want a Yersinia pestis infection.

I checked my facts before posting: vaccination does exist for Yersinia pestis.

Contrarily, I'm happy to learn about Yersinia pestis in school or at museums, not by allowing an ecosystem for it to exist.

Besides environmental and cultural factors, a variation of 100 nucleotides across Y. pestis strains is certainly enough to explain huge differences in its virulence and overall prognosis.

Generally you want your bioweapons to have limited or zero human-to-human transmissibility - think anthrax or tularemia or y-pestis.

Pestis definitions

noun

a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal

See also: plague pestilence pest