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Eight times as many flu cases were reported among UK horses in the first six weeks of 2019 as in the whole of 2018, and there was particular concern about its appearance in vaccinated horses and thoroughbreds. [33] The outbreak continued at an elevated rate for the first half of the year and a peak in cases was seen at the end of June.
Mortality rates were not appreciably above normal; [2] in the United States ~75,000 flu-related deaths were reported in the first six months of 1918, compared to ~63,000 deaths during the same time period in 1915. [99] In Madrid, Spain, fewer than 1,000 people died from influenza between May and June 1918. [100]
The disease during the first epidemic was described as being more "catarrhal" (i.e., coldlike) in nature, while during the second epidemic it was more "inflammatory". [13] [31] Pleurisy and "peripneumony" (pneumonia) were more common complications; [4] [69] inflammation of the heart, pericardium, and diaphragm were also observed in some victims ...
During the 1918 Spanish flu pandemic, this practice served to promote the evolution of more virulent viral strains over those that produced mild illness.) When it first killed humans in Asia in the 1990s, a deadly avian strain of H5N1 posed a great risk for a new influenza pandemic; however, this virus did not mutate to spread easily between ...
This is a timeline of influenza, briefly describing major events such as outbreaks, epidemics, pandemics, discoveries and developments of vaccines.In addition to specific year/period-related events, there is the seasonal flu that kills between 250,000 and 500,000 people every year and has claimed between 340 million and 1 billion human lives throughout history.
An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic. [1]
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1918 campaign on the dangers of Spanish flu Ministry of Health poster used during the Second World War, designed by H. M. Bateman. Later film produced in 1945 "Coughs and sneezes spread diseases" was a slogan first used in the United States during the 1918–20 influenza pandemic – later used in the Second World War by Ministries of Health in Commonwealth countries – to encourage good ...