{"doi":"10.1093/cid/ciab916","title":"Secondary Cases of Delta Variant Coronavirus Disease 2019 Among Vaccinated Healthcare Workers With Breakthrough Infections is Rare","abstract":"In a retrospective, cohort study at 4 medical centers with high coronavirus disease 2019 vaccination rates, we evaluated breakthrough severe acute respiratory syndrome coronavirus 2 Delta variant infections in vaccinated healthcare workers. Few work-related secondary cases were identified. Breakthrough cases were largely due to unmasked social activities outside of work.","journal":"Clinical Infectious Diseases","year":2021,"id":189466,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":15,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9596,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2021-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":752800,"name":"Tara Buehring","orcid":null,"position":1,"is_corresponding":false},{"id":752801,"name":"Daniel J. Escobar","orcid":null,"position":2,"is_corresponding":false},{"id":266138,"name":"Shruti K. Gohil","orcid":"0000-0003-1932-7540","position":3,"is_corresponding":false},{"id":444863,"name":"Ralph Gonzales","orcid":null,"position":4,"is_corresponding":false},{"id":266137,"name":"Susan S. Huang","orcid":"0000-0001-6748-3447","position":5,"is_corresponding":false},{"id":752802,"name":"Keith Olenslager","orcid":null,"position":6,"is_corresponding":false},{"id":518245,"name":"Kavitha Prabaker","orcid":null,"position":7,"is_corresponding":false},{"id":752803,"name":"Tessa Sandoval","orcid":null,"position":8,"is_corresponding":false},{"id":752804,"name":"Jennifer Yim","orcid":null,"position":9,"is_corresponding":false},{"id":313254,"name":"Deborah S. Yokoe","orcid":null,"position":10,"is_corresponding":false},{"id":104972,"name":"Stuart H. Cohen","orcid":null,"position":11,"is_corresponding":false},{"id":752117,"name":"Sarah Waldman","orcid":"0000-0002-9935-011X","position":0,"is_corresponding":true}],"reference_count":6,"raw_metadata":null,"created_at":"2026-07-18T23:49:18.604374Z","pmid":"34694358","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}