PMC:7195088 / 24146-24254
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T119","span":{"begin":47,"end":48},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"incidence of secondary cases among contacts of a case and contacts of contacts (follow-up 14 days).\n• Compar"}