Madaras, Laszlo, Radean Anvari, Claudia Schuchardt-Peet, Abhinav Hoskote, and Rahul Kashyap. 2025. “Co-Infection With Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) and Human Coronavirus HKU1 (HCoV-HKU1)”. European Journal of Case Reports in Internal Medicine 12 (2). https://doi.org/10.12890/2025_005068.