A new study published in Annals of Clinical and Translational Neurology looked at the evolution of neurologic symptoms in non-hospitalized COVID-19 long-haulers at the Northwestern Medicine Neuro COVID-19 Clinic and discovered most long-haulers continue to experience symptoms such as brain fog, numbness/tingling, headache, dizziness, blurred vision, tinnitus and fatigue on average of 15 months after disease onset.