PMC:7405836 / 16172-16308
Annnotations
LitCovid-PD-GO-BP
{"project":"LitCovid-PD-GO-BP","denotations":[{"id":"T96048","span":{"begin":67,"end":74},"obj":"http://purl.obolibrary.org/obo/GO_0009606"}],"text":" knowing how many differences would be required to change the host tropism. Sequence comparison revealed 17 nonsynonymous changes betwee"}