PMC:7317266 / 42-75 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T3","span":{"begin":7,"end":29},"obj":"SP_7"},{"id":"T4342","span":{"begin":7,"end":29},"obj":"SP_7"}],"text":"ratory syndrome coronavirus 2 in "}