Brain fog, forgetfulness and debilitating fatigue are some of the symptoms people are having months after contracting COVID-19. Doctors are still trying to understand why and how to best treat it. A conversation with neurologist Dr. Michele Longo, founder of the Tulane Neurology Post-COVID Care Clinic, one of the first in the country to help the growing number of patients dealing with lingering symptoms of long COVID. She talks about the latest treatments, what researchers are learning and how long most symptoms usually last.