is the (which was not peer-reviewed) The copyright holder for this preprint . https://doi.org/10.1101/2020.03.06.20032334 doi: medRxiv preprint nasopharyngeal swab) and 12 nasopharyngeal swab samples from patients with 115 influenza (n=4), common human seasonal coronavirus infections (n=3, representing 116 OC43, HKU1, NL63), and healthy donors (n=5) (Fig. 2e, f; Supplementary Fig. 5) .