Genomic analysis of 16 Colorado human NL63 coronaviruses identifies a new genotype, high sequence diversity in the N-terminal domain of the spike gene and evidence of recombination.
Dominguez SR, Sims GE, Wentworth DE, Halpin RA, Robinson CC, Town CD, Holmes KV. Genomic analysis of 16 Colorado human NL63 coronaviruses identifies a new genotype, high sequence diversity in the N-terminal domain of the spike gene and evidence of recombination. J Gen Virol. 2012 Nov; 93(Pt 11):2387-2398.