PMC:7014668 / 7063-7126
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T47","span":{"begin":0,"end":63},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"0–3) would develop severe symptoms during travel, nine (95% CI:"}