Persistent fatigue following SARS-CoV-2 infection is common and independent of severity of initial infection. - Townsend, Liam; Dyer, Adam H.; Jones, Karen; Dunne, Jean; Mooney, Aoife; Gaffney, Fiona; O'Connor, Laura; Leavy, Deirdre; O'Brien, Kate; Dowds, Joanne; Sugrue, Jamie A.; Hopkins, David; et al. (PLoS ONE, 2020)