Indeed, an electron cryomicroscopy study indicates a 10 to 20 times higher affinity of this binding compared to that observed between human ACE2 and the S protein of SARS-CoV.
Hatimaye, sawa na virusi vingine vya HCoV, virusi vya SARS-CoV-2 vinaweza kugunduliwa kwenye sampuli ya kinyesi.