The prevalence of symptoms in 24,410 adults infected by the novel coronavirus (SARS-CoV-2; COVID-19): A systematic review and meta-analysis of 148 studies from 9 countries.
Michael C GrantLuke GeogheganMarc ArbynZakaria MohammedLuke McGuinnessEmily L ClarkeRyckie George WadePublished in: PloS one (2020)
We confirm that fever and cough are the most prevalent symptoms of adults infected by SARS-CoV-2. However, there is a large proportion of infected adults which symptoms-alone do not identify.