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Introducciones y propagación temprana del SARS-CoV-2 en el área de la ciudad de Nueva York
Ana S Gonzalez-Reiche1, Matthew M Hernandez2,3, Mitchell J Sullivan1
1Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
Science (New York, N.Y.)
|May 31, 2020
Resumen
Las múltiples introducciones del coronavirus 2 del síndrome respiratorio agudo severo (SARS-CoV-2) alimentaron su rápida propagación en la ciudad de Nueva York. Los primeros análisis genómicos revelaron la transmisión comunitaria a través de diversos grupos de pacientes en los barrios de la ciudad.
Área de la Ciencia:
- Virología
- La genómica
- Epidemiología
Sus antecedentes:
- La ciudad de Nueva York se convirtió en un centro importante para la pandemia de coronavirus 2 del síndrome respiratorio agudo severo (SARS-CoV-2).
- Comprender la transmisión temprana es crucial para controlar la propagación del virus en entornos urbanos.
Objetivo del estudio:
- Para investigar los orígenes y la dinámica de transmisión temprana del SARS-CoV-2 en la ciudad de Nueva York.
- Para analizar la diversidad genética de las cepas de SARS-CoV-2 que circulan en el área metropolitana de Nueva York.
Principales métodos:
- Análisis filogenético de 84 genomas del coronavirus 2 del síndrome respiratorio agudo severo (SARS-CoV-2).
- Secuencia del virus de los pacientes en el Sistema de Salud del Monte Sinaí.
Principales resultados:
- Se identificaron múltiples introducciones independientes de SARS-CoV-2 en la ciudad de Nueva York, principalmente desde Europa y otras regiones de los Estados Unidos.
- Detectó evidencia de transmisión comunitaria, con cepas virales relacionadas encontradas en pacientes en diferentes vecindarios de la ciudad.
- Demostró la utilidad de la genómica viral para rastrear la propagación temprana de enfermedades infecciosas.
Conclusiones:
- La rápida propagación del SARS-CoV-2 en la ciudad de Nueva York fue impulsada por múltiples introducciones independientes.
- La transmisión comunitaria jugó un papel importante en la diseminación temprana del virus dentro de la ciudad.
- La vigilancia genómica es esencial para comprender y manejar los brotes pandémicos.
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