Traveler-based genomic surveillance for SARS-CoV-2
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Traveler-based genomic surveillance for SARS-CoV-2

  • 05/01/2023

Filetype[PDF-172.38 KB]


English
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  • Description:
    Maps, charts, and data provided by CDC, updates weekly on Friday by 8:00 pm ET

    Latest week of collection: 2023-05-01

    Surveillance of international air travelers can provide early detection of new and emerging infectious diseases, including new variants of SARS-CoV-2, the virus that causes COVID-19. The Traveler-Based Genomic Surveillance Program tracks SARS-CoV-2 variants by collecting samples from international air travelers arriving from more than 25 countries at several major U.S. airports. These samples are then sent to a laboratory network for PCR testing; all positive samples undergo genomic sequencing.

    The goals of this surveillance program are to:

    • Provide an early warning system for detection of SARS-CoV-2 variants and follow trends over time

    • Fill gaps in global genomic surveillance using travelers as sentinels

    Traveler-based Genomic Surveillance is a model of pathogen detection that can be used as an early warning system for other pathogens that cause outbreaks affecting international travelers.

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