PMC:7519301 / 239-331
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T5","span":{"begin":19,"end":20},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"irus can mutate in a given individual, and these variants can be propagated across populatio"}