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The difference between the influenza mortality age-distributions of the 1918 epidemic and normal epidemics. Deaths per 100,000 persons in each age group, United States, for the interpandemic years 1911–1917 (dashed line) and the pandemic year 1918 (solid line). [61] The Spanish flu pandemic lasted from 1918 to 1920. [62]
Influenza, commonly known as the 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.
Influenza A virus (IAV) is the only species of the genus Alphainfluenzavirus of the virus family Orthomyxoviridae. [1] It is a pathogen with strains that infect birds and some mammals, as well as causing seasonal flu in humans. [2]
Haemophilus influenzae (formerly called Pfeiffer's bacillus or Bacillus influenzae) is a Gram-negative, non-motile, coccobacillary, facultatively anaerobic, capnophilic pathogenic bacterium of the family Pasteurellaceae.
In Spain it was also known as the 'French flu' (gripe francesa), [51] [9] or the 'Naples Soldier' (Soldado de Nápoles), after a popular song from a zarzuela. [b] [58] Spanish flu (gripe española) is now a common name in Spain, [63] but remains controversial there. [64] [65] Othering derived from geopolitical borders and social boundaries.
The 2009 swine flu pandemic, caused by the H1N1/swine flu/influenza virus and declared by the World Health Organization (WHO) from June 2009 to August 2010, was the third recent flu pandemic involving the H1N1 virus (the first being the 1918–1920 Spanish flu pandemic and the second being the 1977 Russian flu).
"A Dios le Pido" ("I Ask God") is the first single from Un Día Normal. It was primarily released in 2002 in Spain and Latin America. It was primarily released in 2002 in Spain and Latin America. In 2006, the song was re-released in some countries in Europe due to the success of " La Camisa Negra ", which peaked in almost every European country ...
Diagram showing the cumulative distribution function for the normal distribution with mean (μ) 0 and variance (σ 2) 1. These numerical values "68%, 95%, 99.7%" come from the cumulative distribution function of the normal distribution. The prediction interval for any standard score z corresponds numerically to (1 − (1 − Φ μ,σ 2 (z)) · 2).