El SARS-CoV-2 (virus causante de COVID19) puede evadir las respuestas inmunes induciendo proteínas antivirales improductivas
El SARS-CoV-2 (virus causante de COVID19) puede evadir las respuestas inmunes induciendo proteínas antivirales improductivas
La Organización Mundial de la Salud alerta sobre el uso excesivo de antibióticos durante la pandemia de COVID-19
La Organización Mundial de la Salud alerta sobre el uso excesivo de antibióticos durante la pandemia de COVID-19
COVID-19 persistente en México: estudio encuentra que las vacunas protegen y las reinfecciones aumentan riesgo de secuelas
En el primer estudio que caracteriza la epidemiología de COVID-19 persistente en México se encontró que el número de dosis de vacuna, en comparación con los individuos no vacunados, mostró un efecto protector; y, además, la reinfección aumentó el riesgo de COVID-19 persistente.[1] El análisis retrospectivo estimó bajo distintas definiciones (tabla 1) […]
Long Covid and Impaired Cognition — More Evidence and More Work to Do
During the early stages of the Covid-19 pandemic, reports emerged that persons who had been infected with SARS-CoV-2 were having lingering health problems. Such long-term issues were collectively referred to as “long Covid” and were reported to affect nearly every organ system.1 The cardinal features of long Covid include fatigue, […]
C.D.C. Shortens Isolation Period for People With Covid
Americans with Covid or other respiratory infections may return to daily activities if they don’t have a fever and their symptoms are improving. Americans with Covid or other respiratory infections need not isolate for five days before returning to work or school, the Centers for Disease Control and Prevention said […]
More Americans Could Benefit from Paxlovid for COVID Infection
Paxlovid is “a tremendous tool that’s completely underutilized” One of the best tools for preventing severe complications from COVID infection is the prescription antiviral drug Paxlovid. But not nearly as many people who could benefit from it are being prescribed it, says Amesh Adalja, MD, FIDSA, a senior scholar at the Johns […]
COVID-19 Vaccine Effectiveness
Updated COVID-19 vaccine boosts waning immunity The virus that causes COVID-19 is always changing, and protection from infection or COVID-19 vaccination declines over time. Receiving an updated 2023-2024 COVID-19 vaccine can restore and provide enhanced protection against the variants currently responsible for most infections and hospitalizations in the United States. New […]
Early Estimates of Updated 2023–2024 (Monovalent XBB.1.5) COVID-19 Vaccine Effectiveness Against Symptomatic SARS-CoV-2 Infection Attributable to Co-Circulating Omicron Variants Among Immunocompetent Adults — Increasing Community Access to Testing Program, United States, September 2023–January 2024
Summary What is already known about this topic? In September 2023, CDC’s Advisory Committee on Immunization Practices recommended updated 2023–2024 (monovalent XBB.1.5) COVID-19 vaccination for all persons aged ≥6 months to prevent COVID-19, including severe disease. Many variants co-circulated during fall 2023; the JN.1 lineage became predominant in January 2024. […]
Las infecciones de COVID-19 aumentan un 52% en un mes y se espera que la tendencia continúe
La agencia sanitaria mundial documenta 850.000 casos en cuatro semanas a nivel global, la mayoría causados por una nueva cepa del coronavirus. La cifra real de infectados podría ser mucho mayor en vista de que la vigilancia y los registros han disminuido en todos los países. Las previsiones apuntan a […]
Long COVID: New Info on Who Is Most Likely to Get It
The COVID-19 pandemic may no longer be a global public health emergency, but millions continue to struggle with the aftermath: Long COVID. New research and clinical anecdotes suggest that certain individuals are more likely to be afflicted by the condition, nearly 4 years after the virus emerged. People with a […]