Resultado de búsqueda
Hace 3 días · Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes influenza (flu), predominantly in birds. It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a wide area). [1] .
Hace 5 horas · 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 ...
Hace 5 días · Examples of influenza A subtypes include H1N1, H5N1, and H3N2. Influenza B viruses are subdivided into two major lineages, B/Yamagata and B/Victoria. Strains of influenza B and strains of influenza A subtypes are further distinguished by variations in genetic sequence.
- 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...
Hace 4 días · Influenza Updates: Seasonal influenza activity remains low nationally. CDC continues to recommend vaccination as long as flu viruses are spreading. There are antiviral drugs to treat flu illness. Flu Report.
Hace 5 días · Highly pathogenic avian influenza viruses from H5 clade 2.3.4.4b are circulating at unprecedently high levels in wild and domestic birds and have the potential to adapt to humans. Here, we...
Hace 5 horas · Sin embargo, en el último lustro un subtipo muy virulento de H5N1 (denominado 2.3.4.4b) se ha vuelto el dominante. Apareció en 2020 y tiene la particularidad de que puede mantenerse durante todo ...
Hace 4 días · Avian influenza viruses that have infected people are considered to be novel influenza A viruses. Variant influenza viruses occur when people are infected with swine flu viruses, such as H1N2v and H1N3v. Swine flu is a respiratory disease of pigs that regularly causes outbreaks of flu in pigs.
