{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["2(1)"],"submitter":["Zhang C"],"pubmed_abstract":["<h4>Background</h4>Global evidence on the transmission of asymptomatic SARS-CoV-2 infection needs to be synthesized.<h4>Methods</h4>A search of 4 electronic databases (PubMed, EMBASE, Cochrane Library, and Web of Science databases) as of January 24, 2021 was performed. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed. Studies which reported the transmission rate among close contacts with asymptomatic SARS-CoV-2 cases were included, and transmission activities occurred were considered. The transmission rates were pooled by zero-inflated beta distribution. The risk ratios (RRs) were calculated using random-effects models.<h4>Results</h4>Of 4923 records retrieved and reviewed, 15 studies including 3917 close contacts with asymptomatic indexe"],"journal":["Infectious medicine"],"pagination":["11-18"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9757919"],"repository":["biostudies-literature"],"pubmed_title":["Transmission risk of asymptomatic SARS-CoV-2 infection: a systematic review and meta-analysis."],"pmcid":["PMC9757919"],"pubmed_authors":["Zou H","Xia Y","Qian HZ","Qian F","Zheng S","Jiang Q","Li P","Deng L","Wang H","Li X","Lu H","Zhou C","Zhang X","Wang T","Gao Y","Zhang C","Xu W"],"additional_accession":[]},"is_claimable":false,"name":"Transmission risk of asymptomatic SARS-CoV-2 infection: a systematic review and meta-analysis.","description":"<h4>Background</h4>Global evidence on the transmission of asymptomatic SARS-CoV-2 infection needs to be synthesized.<h4>Methods</h4>A search of 4 electronic databases (PubMed, EMBASE, Cochrane Library, and Web of Science databases) as of January 24, 2021 was performed. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed. Studies which reported the transmission rate among close contacts with asymptomatic SARS-CoV-2 cases were included, and transmission activities occurred were considered. The transmission rates were pooled by zero-inflated beta distribution. The risk ratios (RRs) were calculated using random-effects models.<h4>Results</h4>Of 4923 records retrieved and reviewed, 15 studies including 3917 close contacts with asymptomatic indexe","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Mar","modification":"2026-05-10T04:49:45.577Z","creation":"2025-04-05T13:02:32.308Z"},"accession":"S-EPMC9757919","cross_references":{"pubmed":["38013777"],"doi":["10.1016/j.imj.2022.12.001"]}}