From the start, Nisha Viswanathan, MD, director of the University of California Los Angeles Long COVID Program, has been on the frontlines of treating a condition that is complex, ever-changing, and for many of her patients, debilitating. She’s committed her life and her career to finding treatments that individually fit her patients, many of whom are dealing with a laundry list of seemingly unrelated symptoms. In a recent interview, Viswanathan talks about the challenges she faces and the progress clinicians are making in treating patients with this life-altering illness.