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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 subtype of the influenza A virus.
The 1918 flu pandemic, commonly referred to as the Spanish flu, was a category 5 influenza pandemic caused by an unusually severe and deadly Influenza A virus strain of subtype H1N1. The difference between the influenza mortality age-distributions of the 1918 epidemic and normal epidemics.
12 paź 2010 · The Spanish flu pandemic of 1918-1919 was the deadliest pandemic in world history, infecting some 500 million people across the globe—roughly one-third of the population—and causing up to 50...
D04536. Influenza vaccines, colloquially known as flu shots[14] or the flu jab, [15] are vaccines that protect against infection by influenza viruses. [16][17] New versions of the vaccines are developed twice a year, as the influenza virus rapidly changes. [16] While their effectiveness varies from year to year, most provide modest to high ...
However, vaccines against these very small agents, which they called viruses, had already been developed going back to the smallpox vaccine in late eighteenth century. Richard Shope, who demonstrated that the 1918 pandemic was caused by a virus, and connected the human and swine flu viruses.
The most famous of these vaccines was the formula developed at the Mayo Clinic by Edward C. Rosenow, who advocated using a vaccine based on a mixture of killed pneumococcal, streptococcal, and staphylococcal bacteria.
10 kwi 2018 · 30 Photos. In Focus. Between 1918 and 1919, an outbreak of influenza spread rapidly across the world, and killed more than 50 million—and possibly as many as 100 million—people within 15 months....
