{"doi":"10.46234/ccdcw2023.011","title":"Transmission Dynamics and Epidemiological Characteristics of the SARS-CoV-2 Delta Variant ― Hunan Province, China, 2021","abstract":"What is already known about this topic?: Little is known about the epidemiology, natural history, and transmission patterns of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Delta variant. Monitoring the evolution of viral fitness of SARS-CoV-2 in the host population is key for preparedness and response planning. What is added by this report?: We analyzed a successfully contained local outbreak of Delta that took place in Hunan, China, and provided estimates of time-to-key event periods, infectiousness over time, and risk factors for SARS-CoV-2 infection and transmission for a still poorly understood variant. What are the implications for public health practice?: Our findings simultaneously shed light on both the characteristics of the Delta variant, by identifying key age groups, risk factors, and transmission pathways, and planning a future response effort against SARS-CoV-2.","journal":"China CDC Weekly","year":2023,"id":366737,"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":5,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9203,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2023-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":848701,"name":"Yanpeng Wu","orcid":null,"position":1,"is_corresponding":false},{"id":550606,"name":"Yan Wang","orcid":"0000-0002-5620-2328","position":2,"is_corresponding":false},{"id":550608,"name":"Ziyan Liu","orcid":"0000-0003-3992-9194","position":3,"is_corresponding":false},{"id":848702,"name":"Lan Yi","orcid":null,"position":4,"is_corresponding":false},{"id":551394,"name":"Shanlu Zhao","orcid":null,"position":5,"is_corresponding":false},{"id":811645,"name":"Xuemei Yan","orcid":"0009-0001-2942-9738","position":6,"is_corresponding":false},{"id":277964,"name":"Hao Yang","orcid":"0009-0007-7437-1815","position":7,"is_corresponding":false},{"id":110468,"name":"Kaiyuan Sun","orcid":"0000-0002-1753-9884","position":8,"is_corresponding":false},{"id":107957,"name":"Marco Ajelli","orcid":"0000-0003-1753-4749","position":9,"is_corresponding":false},{"id":277968,"name":"Shixiong Hu","orcid":"0009-0006-4382-5186","position":10,"is_corresponding":false},{"id":269885,"name":"Hongjie Yu","orcid":"0000-0002-6335-5648","position":11,"is_corresponding":false},{"id":279976,"name":"Kaiwei Luo","orcid":null,"position":0,"is_corresponding":true}],"reference_count":20,"raw_metadata":null,"created_at":"2026-07-19T01:14:59.372548Z","pmid":"36776461","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":[]}