{"id":"S2020012267","label":"Herd immunity","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2020012267","normalized_label":"herd immunity","broader":["http://id.loc.gov/authorities/subjects/sh85064541"],"aliases":["Community immunity"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2020012267","provider":"lcsh","revision":"01290c8ef680abce","taxonomy_revision":"f050b5d4780b1289","title":"Herd immunity","url":"/topics/S2020012267","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13872432956894609478","address_version":"morton4x16-v1","coordinates":[0,481,39875,44032],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}