ArticleFrontiers in public health2025
SARS-CoV-2 genomic surveillance using rapid point of care COVID-19 antigen tests at public test sites in California.
Article in Frontiers in public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
California's SARS-CoV-2 genomic surveillance program (California COVIDNet) developed whole genomic sequencing (WGS) capability from positive COVID-19 antigen tests to maintain genomic surveillance from public test sites. Over 4-months, COVIDNet sourced specimens from positive COVID-19 antigen tests from 142 California public test sites in 43 counties. Successful WGS was defined as at least 83% reference coverage with a minimum 20x genomic read depth. There were 14,088 SARS-CoV-2 genomes obtained from positive antigen tests with a success rate of 92.9%. The program generated 13.9% of SARS-CoV-2 sequences in California and 2.7% of sequences in the US during the program operation period. In one rural region, 69% of all SARS-CoV-2 sequences were generated by the program. California successfully transitioned SARS-CoV-2 WGS on a statewide scale to specimens sourced from positive antigen tests. Community-based testing coupled with a comprehensive genomic surveillance program provides a statewide strategy applicable to other pathogens of public health significance.
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