A team of researchers at Northwestern University’s Feinberg School of Medicine has found more evidence of cognitive dysfunction in many “long haul,” non-hospitalized COVID-19 patients. In their paper published in the journal Annals of Clinical and Translational Neurology, the group describes their study of medical data for non-hospitalized COVID-19 patients across 21 states who were experiencing long-term symptoms from the disease and what they learned from it.