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  • Influenza Situation Report: Regional Updates
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  • Influenza Situation Report: Regional Updates
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Regional Update, Influenza. Epidemiological Week 25 (7 July 2022) 

Actualización regional, Influenza. Semana Epidemiológica 25 (7 de julio de 2022)

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Date
2022-07-07
Author
Pan American Health Organization
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Abstract
[WEEKLY SUMMARY]. North America: Influenza activity remained at low levels, and SARS-CoV-2 and RSV activity continued to rise. In Mexico, positivity for influenza with a predominance of influenza A (H3N2) viruses continued to decrease, and positivity for SARS-CoV-2 continued to increase, with ILI and SARI activity at moderate intensity levels. In the United States, influenza activity was low, with influenza A(H3N2) viruses predominating; and there was a steep increase in SARS-CoV-2 activity with higher COVID-19-associated hospitalizations. Caribbean: Influenza activity remained low, with influenza A(H3N2) predominating. Haiti and the Dominican Republic reported increased SARS-CoV-2 activity, with higher RSV counts in the last one. In Haiti, SARI cases were higher than the number expected for the period. Central America: Influenza and RSV activity increased in the subregion and remained moderate in El Salvador and Nicaragua, with a predominance of influenza A(H3N2). SARS-CoV-2 activity remained moderate and rising in all countries. In Guatemala, ILI activity was at high levels and was associated with the co-circulation of influenza and SARS-CoV-2 in previous weeks. Andean: Influenza activity remained low with A(H3N2) predominance and circulation above epidemic levels in Bolivia and Peru. SARS-CoV-2 activity increased in most countries. In Bolivia, SARI activity remains high and is associated with the co-circulation of influenza, SARS-CoV-2, and RSV. In general, RSV case counts remained elevated in the subregion. Brazil and Southern Cone: Influenza with A(H3N2) predominance remained at moderate levels, with circulation in Chile and Uruguay. SARS-CoV-2 activity remained at moderate levels and increased in all countries. Chile, Paraguay, and Uruguay reported SARI activity above the epidemic threshold, with RSV and SARS-CoV-2 predominance in Chile and Paraguay; and SARS-CoV-2 predominance in Uruguay. RSV percent positivity continued to increase in the subregion.
 
[RESUMEN SEMANAL]. América del Norte: la actividad de influenza se mantuvo en niveles bajos y el SARS-CoV-2 y VRS continuaron en ascenso. En México, la positividad de influenza continuó en descenso con predominio del virus influenza A(H3N2) y la positividad de SARS-CoV-2 continúa aumentando, con actividad de la ETI y de la IRAG de intensidad moderada. En los Estados Unidos, la actividad de la influenza fue baja, predominando los virus de la influenza A(H3N2); y la actividad del SARS-CoV-2 presentó un incremento marcado con aumento de las hospitalizaciones asociadas a la COVID-19. Caribe: la actividad de la influenza permaneció en niveles bajos con predominio de influenza A(H3N2). Se observaron niveles de actividad de SARS-CoV-2 aumentados en Haití y la República Dominicana, observándose a su vez en esta última, actividad aumentada de VRS. En Haití, los casos de IRAG se registraron por encima del número esperado para este periodo América Central: la actividad de la influenza y del VRS aumentó en la subregión. Se mantuvo moderada en El Salvador y Nicaragua con predominio de influenza A(H3N2). La actividad del SARS-CoV-2 se mantuvo moderada y en ascenso en todos los países. En Guatemala, la actividad de la ETI estuvo en niveles altos y se asoció con la circulación concurrente de influenza y SARS-CoV-2 en semanas previas. Andina: la actividad de la influenza se mantuvo baja con predominio de A(H3N2), con circulación por encima del nivel epidémico en Bolivia y Perú. La actividad del SARS-CoV-2 aumentó en la mayoría de los países. En Bolivia, la actividad de la IRAG continúa elevada y está asociada a la circulación concurrente de influenza, SARS-CoV-2 y VRS. En general, el recuento de casos de VRS se mantuvo elevado en la subregión. Brasil y Cono Sur: la influenza con predominio de A(H3N2) se ha mantenido en niveles moderados, con circulación en Chile y Uruguay. La actividad del SARS-CoV-2 se ha mantenido en niveles moderados presentando un aumento en todos los países. Chile, Paraguay y Uruguay han presentado niveles de IRAG por encima del umbral epidémico, con predominio del VRS y de SARS-CoV-2 en Chile y Paraguay; y predominio de SARS-CoV-2 en Uruguay. El porcentaje de positividad de VRS continúa en ascenso en la subregión.
 
Subject
Influenza, Human; COVID-19; SARS-CoV-2; Betacoronavirus; International Health Regulations; Americas; Caribbean Region; Gripe Humana; Reglamento Sanitario Internacional; Américas; Región del Caribe
URI
https://iris.paho.org/handle/10665.2/56145
Collections
  • Influenza Situation Report: Regional Updates

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