Department of Pediatrics Duke Medical Center and Children's Health Center Durham, North Carolina, USA
frank007@mc.duke.edu
Over time, bacteria have evolved mechanisms to enable them to outwit the efforts of their host to destroy them. New studies have uncovered a hitherto unknown mechanism of defense used by one of the commonest bacteria to infect humans, and a major pathogen, group A Streptococcus (pages 1298−1305)
