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Regional Update, Influenza. Epidemiological Week 33 (31 August 2021)

Actualización regional, Influenza. Semana Epidemiológica 33 (31 de agosto del 2021)

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Date
2021-08-31
Author
Pan American Health Organization
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Abstract
[WEEKLY SUMMARY]. North America: Influenza activity remained low overall. In Canada, RSV activity continued to increase. In Mexico, SARI activity continued at extraordinary levels and was associated with elevated SARS-CoV-2 activity. In the United States, COVID-19 mortality remained above the epidemic threshold and increasing. Caribbean: Influenza activity remained low overall. In Belize, SARS-CoV-2 activity continued high and increasing. In Jamaica, SARS-CoV-2 activity continues to increase, and pneumonia activity continued above moderate levels. In Saint Lucia, ILI activity in the population five years of age and older continues above the alert threshold and is associated with elevated SARS-CoV-2 activity. Central America: Influenza activity remained low and SARS-CoV-2 activity continued at moderate levels overall. In El Salvador and Nicaragua, SARS-CoV-2 activity continued high and increasing. Andean: Influenza activity remained low and SARS-CoV-2 activity continued at moderate levels overall. Brazil and Southern Cone: Influenza activity remained low and SARS-CoV-2 activity continued at moderate levels overall. In Paraguay, SARI activity continued at extraordinary levels and was associated with SARS-CoV-2 activity. Global: Despite continued or even increased testing for influenza, activity remained at lower levels than expected for this time of the year. In the temperate zones of the southern hemisphere, influenza activity remained at low levels. In the temperate zones of the northern hemisphere, influenza activity remained at inter -seasonal levels. In tropical Africa, influenza detections were reported in some countries in Western and Eastern Africa. In Southern Asia, influenza detections of predominately influenza A(H3N2) continued to increase in India and Nepal. In Southeast Asia, sporadic detections of Influenza A(H3N2) were reported from Timor-Leste. Worldwide, influenza A detections accounted for most of the low number of detections reported.
 
[RESUMEN SEMANAL]. América del Norte: la actividad de la influenza se mantuvo baja en general. En Canadá, la actividad del VRS siguió aumentando. En México, la actividad de la IRAG continuó en niveles extraordinarios y se asoció con una elevada actividad de SARS-CoV-2. En los Estados Unidos, la mortalidad por COVID-19 se mantuvo por encima del umbral epidémico y en aumento. Caribe: la actividad de la influenza se mantuvo baja en general. En Belice, la actividad del SARS-CoV-2 continuó alta y en aumento. En Jamaica, la actividad del SARS-CoV-2 continúa aumentando y la actividad de la neumonía continuó por encima de niveles moderados. En Santa Lucía, la actividad de la ETI en la población de cinco años o más continúa por encima del umbral de alerta y está asociada con una actividad elevada del SARS-CoV-2. América Central: la actividad de la influenza se mantuvo baja y la actividad del SARS-CoV-2 continuó en niveles moderados en general. En El Salvador y Nicaragua, la actividad del SARS-CoV-2 continuó alta y en aumento. Andina: la actividad de la influenza se mantuvo baja y la actividad del SARS-CoV-2 continuó en niveles moderados en general. Brasil y Cono Sur: la actividad de la influenza se mantuvo baja y la actividad del SARS-CoV-2 continuó en niveles moderados en general. En Paraguay, la actividad de la IRAG continuó en niveles extraordinarios y se asoció con la actividad de SARS-CoV-2. Global: a pesar de que la realización de pruebas para la detección de influenza continuó o incluso aumentó en algunos países, la actividad del virus de la influenza se mantuvo en niveles más bajos de lo esperado para esta época del año. En las zonas templadas del hemisferio sur, la actividad de la influenza se mantuvo en niveles interestacionales. En las zonas templadas del hemisferio norte, la actividad de la influenza se mantuvo en niveles interestacionales. En África tropical, se notificaron detecciones de influenza en algunos países de África occidental y oriental. En el sur de Asia, las detecciones de influenza predominantemente de influenza A(H3N2) continuaron aumentando en India y Nepal. En el sudeste asiático, se notificaron detecciones esporádicas de influenza A(H3N2) en Timor-Leste. En todo el mundo, las detecciones de influenza A representaron la mayoría del número bajo de detecciones reportadas.
 
Subject
Influenza, Human; COVID-19; Coronavirus Infections; SARS-CoV-2; Betacoronavirus; Emergencies; International Health Regulations; Gripe Humana; Infecciones por Coronavirus; Urgencias Médicas; Reglamento Sanitario Internacional; Americas; Caribbean Region; Américas; Región del Caribe
URI
https://iris.paho.org/handle/10665.2/55404
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  • Influenza Situation Report: Regional Updates

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