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La gripe es una infección vírica aguda que se transmite fácilmente de una persona a otra. Los virus de la gripe circulan por todo el mundo y pueden afectar a cualquier persona de cualquier edad.
27 thg 11, 2009 · Influenza is an acute viral infection that primarily attacks the upper respiratory tract, including the nose, throat, bronchi and, less frequently, the lungs. The disease occurs …
28 thg 2, 2025 · WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response.
13 thg 11, 2019 · In tropical regions, influenza can occur throughout the year, causing outbreaks more irregularly, but prevention is still important. Here’s how you can protect yourself, and those …
Influenza, or the flu, is both a seasonal and a pandemic virus. Every year, mainly during the winter season, seasonal influenza infects as many as 1 billion people. This makes it one of the most …
20 thg 8, 2025 · In this update, in addition to the influenza surveillance information, that of the SARS-CoV-2 surveillance by the Global Influenza Surveillance and Response System (GISRS) …
28 thg 2, 2025 · 概述 季节性流感（流感）是由流感病毒引起的急性呼吸道感染。季节性流感在世界各地都很常见。大多数人不治而愈。 当人们咳嗽或打喷嚏时，流感很容易在人与人之间传播。接种疫苗 …
This Spotlight focuses on the lessons we can learn from previous flu pandemics, how prepared we are for another one, and how work on seasonal flu can boost capacity for pandemic preparedness.
18 thg 8, 2025 · Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world. It is characterized by a sudden onset of fever, cough …
22 thg 1, 2025 · Since the official start of the seasonal influenza epidemic in late November 2024, indicators of respiratory infections have continued to rise across the WHO European Region. …
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