PMC:7172841 / 218-290
Annnotations
LitCovid-PMC-OGER-BB
{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T4","span":{"begin":59,"end":70},"obj":"UBERON:0001004"},{"id":"T25589","span":{"begin":59,"end":70},"obj":"UBERON:0001004"}],"text":" 7–8 days after initial symptom onset suggests that severe respiratory f"}