The effects of COVID-19 on semen parameter values in healthy males: a single-centre, retrospective study 1Department of Urology, Karasu State Hospital, Sakarya, Turkey 2İstanbul Medeniyet University, Istanbul, Turkey 3Department of Urology, Sakarya University, Sakarya, Turkey DOI 10.7717/peerj.19864 Academic Editor Sonia Oliveira Subject Areas Urology, COVID-19 Keywords Male infertility, Normospermia, SARS-CoV-2, Semen analyses Copyright © Licence This is an open access article distributed...