HCoV-NL63 is associated with obstructive laryngitis, also called croup.
Virusi hivi vilivyo na jinomu kubwa zaidi ya kilobesi 26 hadi 32 miongoni mwa virusi vya RNA viliitwa “CoVs” kutokana na umbo lao kama la taji chini ya uchunguzi wa kielektroniki.