PMC:7551987 / 4140-4257 JSONTXT

{"project":"2_test","denotations":[{"id":"32971954-23594543-143921938","span":{"begin":91,"end":92},"obj":"23594543"},{"id":"32971954-16756387-143921939","span":{"begin":93,"end":95},"obj":"16756387"}],"text":"d adaptation to a nonhost environment, a virus may be less fit to replicate inside a host [9,15]. For example, a more"}