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Hace 1 día · Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about ...
- Influenza viruses
- >290,000–650,000 deaths per year
Hace 2 días · Spanish flu. The 1918–1920 flu pandemic, also known as the Great Influenza epidemic or by the common misnomer Spanish flu, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus.
- February 1918 – April 1920
- Worldwide
- 25–50 million (generally accepted), other estimates range from 17 to 100 million
- Influenza
Hace 6 días · Respuesta de Pritish K. Tosh, M.D. Los virus que causan el resfriado común, la gripe y la COVID-19 pueden infectar a alguien durante varias horas o días. Depende de factores como los siguientes: La estructura del virus. Algunos virus son más resistentes que otros a la temperatura, a la humedad o a otras condiciones ambientales.
Hace 4 días · Influenza vaccines, colloquially known as flu shots, are vaccines that protect against infection by influenza viruses. [12] [13] New versions of the vaccines are developed twice a year, as the influenza virus rapidly changes. [12] . While their effectiveness varies from year to year, most provide modest to high protection against influenza.
Hace 5 días · influenza, an acute viral infection of the upper or lower respiratory tract that is marked by fever, chills, and a generalized feeling of weakness and pain in the muscles, together with varying degrees of soreness in the head and abdomen. Classification of influenza viruses.
- The Editors of Encyclopaedia Britannica
- Influenza is an acute viral infection of the upper or lower respiratory tract marked by fever, chills, and a generalized feeling of weakness and pa...
- Influenza is caused by several closely related viruses in the family Orthomyxoviridae, an RNA virus group. Influenza viruses are categorized as typ...
- Pandemics are worldwide outbreaks of a disease and are estimated to occur on average once every 50 years for influenza. Epidemics happen much more...
- When an influenza pandemic emerges, WHO adheres to its six-phase preparedness plan. Phases 1–3 are the early stages in pandemic preparedness design...
- The symptoms of influenza include sudden and distinct chills, fatigue, and muscle aches. A person’s body temperature rises rapidly to 38–40 °C (101...
La gripe es una enfermedad respiratoria causada por una infección viral que afecta los pulmones, la boca y la garganta. No es lo mismo que la gripe estomacal, que es causada por un virus en el tubo digestivo. La gripe es muy contagiosa. Toser, estornudar o tocarse la boca, los ojos o la nariz puede propagarla.
Hace 4 días · Imprimir. Actualizado el 17 de mayo del 2024. La influenza aviar H5N1 está muy extendida entre las aves silvestres de todo el mundo y está provocando brotes en aves de corral y vacas lecheras de los EE. UU., con un caso humano reciente en un trabajador lechero de los EE. UU.
