In the season 9, an investigation takes place on Bailey after three of her patients contracted an infection and died. It concludes that Bailey was an asymptomatic carrier of the MRSA bacteria and transmitted the infection via a new brand of gloves that the hospital had used that were shown to be permeable. Despite being cleared of wrongdoing, after the investigation Bailey shuts everyone out for some time, because feeling that she is dirty and contaminated. She blamed Dr. Webber the most for abandoning her and avoids him altogether. Eventually, her husband, Ben, flies to Seattle to get her out of the genome lab. Ben says that he has dropped out of residency to spend more time with her and Tuck. Bailey is not impressed by this decision, and starts exhibiting some odd behaviors, later she is diagnosed with OCD after what happened with the CDC investigation. Though initially resistant to see a therapist and take medication, Bailey is able to resume her surgical career.