PMC:7796058 / 2262-2365
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T15","span":{"begin":1,"end":13},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" Introduction\nMonitoring both “person-to-person” and “person-to-place” interactions is a critical issue"}