By This undated photo made available by the Centers for Disease Control and Prevention shows a strain of Candida auris cultured in a petri dish. "The rapid rise and geographic spread of cases is concerning and emphasizes the need for continued surveillance, expanded lab capacity, quicker diagnostic tests, and adherence to proven infection prevention and control," CDC epidemiologist Dr. The case count may have increased so quickly due to a lack of prevention, poor control methods in health care facilities and better efforts to detect cases, the CDC said