I Recently Had Open Heart Surgery. I Have An Infection

I recently had open heart surgery. I have an infection in my wound on my sternum. The Heart Dr did a culture on me and it came back saying I have serratia Marcescens. I was taking doxycycline, for 4 days, but know changed to levofloxacin 500 mg once a day. Will this get rid of my infection? I have a soft sternum according do my Dr which makes is easier to get an infection. What can I do?
Forget it! I thought you were just trying no to help people...didn’t know you were going to charge people. Maybe you aren’t even a Dr!