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Utility of Mycobacterium tuberculosis Genome Sequencing Snapshots to Assess Transmission Dynamics Over Time
Ist Teil von
The Journal of infectious diseases, 2024-05, Vol.229 (5), p.1493-1497
Ort / Verlag
United States
Erscheinungsjahr
2024
Quelle
Oxford Journals 2020 Medicine
Beschreibungen/Notizen
We explored the utility of brief Mycobacterium tuberculosis whole-genome sequencing (WGS) "snapshots" at a sentinel site within Lima, Peru, for evaluating local transmission dynamics over time. Within a 17-km2 area, 15 of 70 (21%) isolates with WGS collected during 2011-2012 and 22 of 81 (27%) collected during 2020-2021 were clustered (P = .414), and additional isolates clustered with those from outside the area. Isolates from the later period were disproportionately related to large historic clusters in Lima from the earlier period. WGS snapshots at a sentinel site may not be useful for monitoring transmission, but monitoring the persistence of large transmission clusters might be.