Duplex formation between the template and the nascent strand in the transcription-regulating sequences is associated with the site of template switching in SARS - CoV-2. - D'Souza AR; Buckingham AB; Salasc F; Ingemarsdotter CK; Iaconis G; Jarvis I; Groom HCT; Kenyon JC; Lever AML (RNA biology, 2021)