Keywords: Antimicrobial resistance - mutation.gif en Diagram showing how genetic mutation causes drug resistance Bacteria multiply by the millions A few of these bacteria will mutate Some mutations make the bacterium drug resistant In the presense of drugs only drug resistant bacteria survive Drug resistant bacteria multiply and thrive 2009-02 http //www niaid nih gov/topics/antimicrobialResistance/Understanding/Pages/mutation aspx NIAID other versions PD-USGov Uploaded with UploadWizard Antibiotic resistance Antimicrrobial resistance |