L. Madaras, R. Anvari, C. Schuchardt-Peet, A. Hoskote, and R. Kashyap, “Co-infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and human coronavirus HKU1 (HCoV-HKU1)”, EJCRIM, vol. 12, no. 2, Jan. 2025, doi: 10.12890/2025_005068.