Hombre de 72 años estuvo enfermo de Covid por 613 días: acumuló 50 mutaciones

hombre de 72 años estuvo enfermo de covid por 613 días: acumuló 50 mutaciones

Un hombre de 72 años estuvo enfermo de Covid-19 por 613 días, en los que acumuló al menos 50 mutaciones genéticas del virus SARS-CoV-2, este es el único caso registrado de una persona con la infección por el virus más prolongado. El caso se dio en Países Bajos, el hombre falleció a causa de complicaciones relacionadas con la infección.

Este caso excepcional, detallado en un estudio del Centro Médico de la Universidad de Ámsterdam (Ámsterdam UMC), pone de relieve los riesgos de las infecciones persistentes en pacientes inmunodeprimidos y la posibilidad de que estas deriven en nuevas variantes del virus.

El paciente, que ya padecía un trastorno sanguíneo que afectaba su producción de anticuerpos, ingresó al Amsterdam UMC en febrero de 2022 con COVID-19. A pesar de recibir múltiples vacunas y tratamiento con anticuerpos monoclonales, su sistema inmunológico debilitado no pudo controlar la infección.

       

Durante los siguientes 20 meses, el virus mutó más de 50 veces dentro de su cuerpo, dando lugar a una variante “altamente mutada” que pudo evadir su sistema inmune.

Si bien no hay evidencia de que esta variante haya sido transmitida a otras personas, los investigadores advierten que las infecciones persistentes en pacientes inmunodeprimidos podrían generar nuevas variantes del SARS-CoV-2 que podrían ser más resistentes a las vacunas y tratamientos actuales.

Este caso resalta la importancia de la vigilancia genómica continua del virus, especialmente en pacientes inmunocomprometidos, para identificar y contener posibles amenazas a la salud pública.

Los autores del estudio enfatizan la necesidad de implementar estrategias de diagnóstico temprano y accesibles para los contactos y familiares de personas con infecciones persistentes de COVID-19, permitiendo la detección oportuna de posibles contagios y la toma de medidas preventivas.

El estudio del Amsterdam UMC será presentado en el Congreso Global ESCMID, que se celebrará en Barcelona del 27 al 30 de abril, donde expertos en microbiología clínica y enfermedades infecciosas se reunirán para discutir los últimos avances en la lucha contra el COVID-19 y otras amenazas infecciosas.

     

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