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Variantes Covid

Questions Remain About Who Will Get Monoclonal Antibodies for COVID-19 Preexposure Prophylaxis

Every day for weeks this past fall, Brian Koffman, MD, would Google “AZD7442, AZD7442, AZD7442.” He finally hit pay dirt December 8, when he discovered that the US Food and Drug Administration had authorized AstraZeneca’s long-acting monoclonal antibody combination, AZD7442 (Evusheld), for COVID-19 preexposure prophylaxis in adults and children at least 12 years […]

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Vaccinated With Prior Infection Most Protected During Delta Wave

Following the emergence of the Delta variant, individuals who had a prior COVID-19 infection with or without vaccination had lower case rates than those who were vaccinated alone, data from California and New York found. “Infection-derived protection was higher after the Delta variant became predominant, a time when vaccine-induced immunity […]

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Poor Memory and Attention Persists Months After Mild COVID Recovery

Long-COVID is now recognised and accepted as a clinical entity with fatigue, cough, and headache being common symptoms. The National Institute for Health and Care Excellence (NICE) offers guidance for the management of long-COVID, with the NHS providing specialist long-COVID clinics. In December 2021 the Office for National Statistics (ONS) reported that 1 in 5 […]

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The COVID-19 Treatment Guidelines Panel’s Statement on Therapies for High-Risk, Nonhospitalized Patients With Mild to Moderate COVID-19

The following statement is an updated version of the statement that the COVID-19 Treatment Guidelines Panel (the Panel) released on December 30, 2021. This update addresses the fact that the B.1.1.529 (Omicron) variant of concern (VOC) is now the dominant SARS-CoV-2 variant in all 10 of the Department of Health and […]

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Ómicron no es el final de la pandemia. Pero sí la cambiará

La variante ómicron es muy buena para infectar a la gente y lo hace con rapidez. De hecho, es tan rápida, que para cuando leas esto, es muy probable que los casos ya hayan llegado a un punto máximo cerca de tu casa. Mientras que en algunos países los casos disminuyen […]

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Antibody Response and Variant Cross-Neutralization After SARS-CoV-2 Breakthrough Infection

Breakthrough infections after vaccination against SARS-CoV-2 are increasingly reported, possibly due to waning of vaccine-induced antibody levels.1 Moreover, emerging variants of concern with diminished susceptibility to vaccine-induced antibodies are responsible for most new cases.2,3 Studies have focused on determining the rate of vaccine breakthrough based on antibody levels after standard vaccination practices.4,5 We […]

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Early Tracheostomy for Managing ICU Capacity During the COVID-19 Outbreak

Background During the first wave of the COVID-19 pandemic, shortages of ventilators and ICU beds overwhelmed health care systems. Whether early tracheostomy reduces the duration of mechanical ventilation and ICU stay is controversial. Research Question Can failure-free day outcomes focused on ICU resources help to decide the optimal timing of tracheostomy […]

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¿Cuándo deja de ser contagiosa una persona enferma de Covid-19?: tenga o no síntomas

Muchos países del mundo están viendo un drástico incremento en el número de casos de COVID-19 impulsado por Ómicron, la nueva variante del virus, Pero a medida que se propaga esta variante, parece estar quedando claro que los síntomas y la enfermedad que provoca son menos graves que los causados por sus […]

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Las hospitalizaciones aumentan en México por la pandemia: más de 100 centros al máximo de su capacidad

La escalada de contagios de coronavirus en México está elevando la presión de los hospitales en el país. Hasta este jueves, 115 hospitales reportan una ocupación en camas generales de un 100% y 47 centros de salud registran menos del 40% de disponibilidad, de acuerdo con el Sistema de Información de la […]

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