Wastewater sequencing uncovers early, cryptic SARS-CoV-2 variant transmission.
Journal
medRxiv : the preprint server for health sciences
Titre abrégé: medRxiv
Pays: United States
ID NLM: 101767986
Informations de publication
Date de publication:
04 Apr 2022
04 Apr 2022
Historique:
entrez:
12
4
2022
pubmed:
13
4
2022
medline:
13
4
2022
Statut:
epublish
Résumé
As SARS-CoV-2 continues to spread and evolve, detecting emerging variants early is critical for public health interventions. Inferring lineage prevalence by clinical testing is infeasible at scale, especially in areas with limited resources, participation, or testing/sequencing capacity, which can also introduce biases. SARS-CoV-2 RNA concentration in wastewater successfully tracks regional infection dynamics and provides less biased abundance estimates than clinical testing. Tracking virus genomic sequences in wastewater would improve community prevalence estimates and detect emerging variants. However, two factors limit wastewater-based genomic surveillance: low-quality sequence data and inability to estimate relative lineage abundance in mixed samples. Here, we resolve these critical issues to perform a high-resolution, 295-day wastewater and clinical sequencing effort, in the controlled environment of a large university campus and the broader context of the surrounding county. We develop and deploy improved virus concentration protocols and deconvolution software that fully resolve multiple virus strains from wastewater. We detect emerging variants of concern up to 14 days earlier in wastewater samples, and identify multiple instances of virus spread not captured by clinical genomic surveillance. Our study provides a scalable solution for wastewater genomic surveillance that allows early detection of SARS-CoV-2 variants and identification of cryptic transmission.
Identifiants
pubmed: 35411350
doi: 10.1101/2021.12.21.21268143
pmc: PMC8996633
pii:
doi:
Types de publication
Preprint
Langues
eng
Subventions
Organisme : NIAID NIH HHS
ID : U19 AI135995
Pays : United States
Organisme : NCCIH NIH HHS
ID : DP1 AT010885
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR002550
Pays : United States
Organisme : NIAID NIH HHS
ID : U01 AI151812
Pays : United States
Organisme : NIAID NIH HHS
ID : T32 AI007244
Pays : United States
Organisme : NIH HHS
ID : S10 OD026929
Pays : United States
Commentaires et corrections
Type : UpdateIn
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