SERINC5 and COVID-19: To explore whether the expression of SERINC5 is affected during SARS-CoV-2 infection, the level of SERINC5 mRNA was analyzed from transcriptomic data of Calu3 cells infected with SARS-CoV-2 deposited in GEO (GSE148729) and from nasopharyngeal and saliva samples from COVID-19 patients.