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  1. www.cdc.gov › coronavirus › 2019-ncovVariants and Genomic Surveillance for SARS-CoV-2 | CDC

    Many viruses are constantly changing, including the virus that causes COVID-19. These changes occur over time and can lead to the emergence of variants that may have new characteristics, including different ways of spreading. Learn about genomic surveillance of SARS-CoV-2, which causes COVID-19.

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  2. www.who.int › activities › tracking-SARS-CoV-2-variantsTracking SARS-CoV-2 variants - World Health Organization (WHO)

    27 de mar. de 2024 · Currently circulating variants of concern (VOCs) as of 15 March 2023. Note: To better reflect the current variant landscape, which is dominated by Omicron descendent lineages, WHO updated its tracking system and working definitions of VOCs and VOIs on 15 March 2023. 4 October 2023.

  3. data.who.int › dashboards › covid19COVID-19 variants | WHO COVID-19 dashboard

    Since the beginning of the COVID-19 pandemic and with the evolution of the SARS-CoV-2 virus, multiple COVID-19 Variants of Concern (VOCs) and Variants of Interest (VOIs) have been designated by WHO based on their assessed potential for expansion and replacement of prior variants, for causing new waves with increased circulation, and for the need...

  4. espanol.cdc.gov › coronavirus › 2019-ncovVariantes y vigilancia genómica del SARS-CoV-2 | CDC

    Obtenga información acerca de la vigilancia genómica del SARS-CoV-2, el virus que causa el COVID-19. Los virus cambian constantemente y las variaciones pueden tener características diferentes. Los CDC proporcionan información de salud creíble acerca del COVID-19 a los EE. UU.

  5. www.cdc.gov › coronavirus › 2019-ncovVariants of the Virus | CDC

    6 de feb. de 2023 · CDC uses viral genomic surveillance to quickly identify and track COVID-19 variants, and acts upon these findings to protect the public’s health. Some variants spread more easily and quickly than others, which may lead to more cases of COVID-19.

  6. apps.who.int › 10665 › 345811Orientaciones para la vigilancia de las variantes del SARS-CoV-2

    El presente documento tiene por objeto describir un conjunto mínimo de actividades de vigilancia recomendadas a nivel nacional para detectar y monitorear la prevalencia relativa de las variantes del SARS-CoV-2 y describir a grandes rasgos un conjunto de actividades para caracterizar y evaluar el riesgo que estas suponen.

  7. www.who.int › es › publicationsOrientaciones para la vigilancia de las variantes del SARS-CoV-2...

    El presente documento tiene por objeto describir un conjunto mínimo de actividades de vigilancia recomendadas a nivel nacional para detectar y monitorear la prevalencia relativa de las variantes del SARS-CoV-2 y describir a grandes rasgos un conjunto de actividades para caracterizar y evaluar el riesgo que estas suponen.