PMC:7299399 / 4943-5063
Annnotations
2_test
{"project":"2_test","denotations":[{"id":"32519842-31986264-158451","span":{"begin":4,"end":6},"obj":"31986264"},{"id":"32519842-32150748-158452","span":{"begin":90,"end":92},"obj":"32150748"}],"text":".12,13 The incubation period is reported to be between 5 and 14 days before disease onset.14 Recent reports indicate tha"}