Pandemic influenza viruses have emerged three times in this century: in 1918 (“Spanish” influenza, H1N1), in 1957 (“Asian” influenza, H2N2), and in 1968 (“Hong Kong” influenza, H3N2) (Cox and Subbarao, 2000; Webby and Webster, 2003).
Diğer sorular
What type of epidemic is influenza?
What did the influenza epidemic do?
What was the worst flu epidemic?
What are the names of the influenza epidemics?
The influenza epidemic that swept the world in 1918 killed an estimated 50 million people. One fifth of the world's population was attacked by this deadly ...
A flu pandemic is a global outbreak of a new flu A virus. Flu pandemics happen when a new (novel) flu A virus emerges that is able to infect people easily and ...
Spanish flu was an exceptionally deadly global influenza pandemic caused by the H1N1 subtype of the influenza A virus.
10 Eyl 2024 · The most severe influenza outbreak of the 20th century and, in terms of total numbers of deaths, among the most devastating pandemics in human history.
27 Mar 2024 · A pandemic can occur when a new influenza A virus is able to easily infect and spread among people.
Influenza pandemics have been reported for at least 500 years, with inter-pandemic intervals averaging approximately 40 years.
An influenza pandemic is an epidemic of an influenza virus that spreads across a large region and infects a large proportion of the population.
The influenza virus had a profound virulence, with a mortality rate at 2.5% compared to the previous influenza epidemics, which were less than 0.1%.
The United States lost 675,000 people to the Spanish flu in 1918-more casualties than World War I, World War II, the Korean War and the Vietnam War combined.
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