Fig. 4
From: Neurological manifestations of SARS-CoV-2: complexity, mechanism and associated disorders
Using information from the TriNetX electronic health record network in the US, a research from the University of Oxford and also the National Institute for Health Research (NIHR) Oxford Health Biomedical Research Centre (BRC) examined long-COVID in over 2,70,000 people recovering from COVID-19 infection [103]. According to the study, nine main long-COVID symptoms were diagnosed that appear 90–180 days following the diagnosis of COVID-19 which have been depicted in the pie chart marked by different colours