PMC:7565482 / 175-387 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T2","span":{"begin":175,"end":176},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"nces that represent circulating viral isolates are sensitive, time saving and cost-effective tools for in vitro immune monitoring and to guide immunogen design. When based on a representative sequence database, s"}