{"doi":"10.1093/infdis/jiad231","title":"Rapid Antigen and Antibody Microfluidic Immunofluorescence Assays Compared to Culture, PCR, and Laboratory Reference Tests: Performance in a Longitudinal Cohort","abstract":"We evaluated the performance of rapid antigen (RAg) and antibody (RAb) microfluidic diagnostics with serial sampling of 71 participants at 6 visits over 2 months following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Rapid tests showed strong agreement with laboratory references (κAg = 81.0%; κAb = 87.8%). RAg showed substantial concordance to both virus growth in culture and PCR positivity 0-5 days since symptom onset (κAg-culture = 60.1% and κAg-PCR = 87.1%). PCR concordance to virus growth in culture was similar (κPCR-culture = 70.0%), although agreement between RAg and culture was better overall (κAg-culture = 45.5% vs κPCR-culture = 10.0%). Rapid antigen and antibody testing by microfluidic immunofluorescence platform are highly accurate for characterization of acute infection.","journal":"The Journal of Infectious Diseases","year":2023,"id":408891,"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":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9664,"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":866208,"name":"Linhui Hao","orcid":"0000-0002-7325-1009","position":1,"is_corresponding":false},{"id":1050466,"name":"Roshni Prabhu","orcid":null,"position":2,"is_corresponding":false},{"id":624926,"name":"Elena Rechkina","orcid":null,"position":3,"is_corresponding":false},{"id":1050468,"name":"Daphne Hamilton","orcid":null,"position":4,"is_corresponding":false},{"id":1188723,"name":"Matthew H Ikuma","orcid":null,"position":5,"is_corresponding":false},{"id":1188724,"name":"Marie Bauer","orcid":null,"position":6,"is_corresponding":false},{"id":108916,"name":"Michael Gale","orcid":"0000-0002-6332-7436","position":7,"is_corresponding":false},{"id":913424,"name":"Jason L. Cantera","orcid":"0000-0001-7665-5458","position":8,"is_corresponding":false},{"id":1050469,"name":"Alexey Ball","orcid":null,"position":9,"is_corresponding":false},{"id":1050033,"name":"Benjamin D. Grant","orcid":"0000-0001-7168-6474","position":10,"is_corresponding":false},{"id":490093,"name":"Paul K. Drain","orcid":"0000-0002-9569-4097","position":11,"is_corresponding":false},{"id":695154,"name":"Ronit R. Dalmat","orcid":"0000-0002-6959-0817","position":0,"is_corresponding":true}],"reference_count":12,"raw_metadata":{"citation_network_status":"fetched"},"created_at":"2026-07-19T01:21:22.368387Z","pmid":"37353225","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":[]}