Within six months of effectively using methicillin to
Chapter 22, Problem 22.14(choose chapter or problem)
Within six months of effectively using methicillin to treat S. aureus infections in a community, all new infections were caused by MRSA. How can this result best be explained? a. S. aureus can resist vaccines. b. A patient must have become infected with MRSA from another community. c. In response to the drug, S. aureus began making drugresistant versions of the protein targeted by the drug. d. Some drug-resistant bacteria were present at the start of treatment, and natural selection increased their frequency. e. The drug caused the S. aureus DNA to change.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer