A vaccine prepared from live, killed, or attenuated Yersinia pestis used to immunize against bubonic plague.
The Hidden Histories Of “Humpty Dumpty,” “London Bridge,” And “Ring Around The Rosie”These hidden stories behind these three popular nursery rhymes may not be well known but they certainly make songs like "Humpty Dumpty" a little more interesting.
When Did “Chemical” Become Such A Toxic Word?When people see the word chemical, it tends to inspire fear, but should it?
- plague, the,
- plagues of egypt,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.