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Summary. In Europe in 1918, influenza spread through Spain, France, Great Britain and Italy, causing havoc with military operations during the First World War. The influenza pandemic of 1918 killed more than 50 million people worldwide.
12 paź 2010 · The Spanish flu pandemic of 1918, the deadliest in history, infected an estimated 500 million people worldwide—about one‑third of the planet’s population—and killed an estimated 20 million ...
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 FDA approves a flu vaccine for avian influenza A caused by the H5N1 flu strain. 2008 ACIP recommends that people ages 6 months to 18 years old get an annual flu vaccine.
Abstract. The 2018–2019 period marks the centennial of the “Spanish” influenza pandemic, which caused at least 50 million deaths worldwide. The unprecedented nature of the pandemic’s sudden appearance and high fatality rate serve as a stark reminder of the threat influenza poses.
In 1942, a new bivalent vaccine was developed that protected against both the H1N1 strain of influenza A and the newly discovered influenza B virus. During the 1947 flu season, researchers discovered that existing vaccines were ineffective against the flu viruses circulating at the time.
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.
