The findings show how quickly deadly bacteria can disguise themselves, and how difficult it is for medicine to keep up.
Researchers believe bacteria-caused diseases kill more than a million young children each year worldwide.
The study is in the current issue of "Nature Genetics."
Copyright 2012 by VERTEXNews/Newsroom Solutions
Copyright 2016 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.