{"doi":"10.1101/2021.12.07.21267410","title":"International risk of SARS-CoV-2 Omicron variant importations originating in South Africa","abstract":"Omicron, a fast-spreading SARS-CoV-2 variant of concern reported to the World Health Organization on November 24, 2021, has raised international alarm. We estimated there is at least 50% chance that Omicron had been introduced by travelers from South Africa into all of the 30 countries studied by November 27, 2021.","journal":"medRxiv","year":2021,"id":213522,"datarank":0.4566783656585135,"base_score":3.044522437723423,"endowment":3.044522437723423,"self_citation_contribution":0.4566783656585135,"citation_network_contribution":0.0,"self_endowment_contribution":0.4566783656585135,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":20,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.945,"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":228758,"name":"Zhanwei Du","orcid":"0000-0002-2020-767X","position":1,"is_corresponding":false},{"id":806111,"name":"Mingda Xu","orcid":null,"position":2,"is_corresponding":false},{"id":805560,"name":"Lin Wang","orcid":"0000-0002-5478-0212","position":3,"is_corresponding":false},{"id":32533,"name":"Peng Wu","orcid":"0000-0003-1157-9401","position":4,"is_corresponding":false},{"id":32567,"name":"Eric H. Y. Lau","orcid":"0000-0002-6688-9637","position":5,"is_corresponding":false},{"id":7164,"name":"Benjamin J. Cowling","orcid":"0000-0002-6297-7154","position":6,"is_corresponding":false},{"id":110263,"name":"Lauren Ancel Meyers","orcid":"0000-0002-5828-8874","position":7,"is_corresponding":false},{"id":626045,"name":"Yuan Bai","orcid":"0000-0002-8468-8118","position":0,"is_corresponding":true}],"reference_count":3,"raw_metadata":{"citation_network_status":"fetched"},"created_at":"2026-07-18T23:52:36.886828Z","pmid":"34909796","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":[]}