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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.
Between the fall of 1789 and the spring of 1790, influenza occurred extensively throughout the United States and North America more broadly. First reported in the southern United States in September, it spread throughout the northern states in October and November, appeared about the same time in the West Indies, and reached as far north as Nova Scotia before the end of 1789.
[10] [2] Most commercially available flu vaccines are manufactured by propagation of influenza viruses in embryonated chicken eggs, taking 6–8 months. [2] Flu seasons are different in the northern and southern hemisphere, so the WHO meets twice a year, once for each hemisphere, to discuss which strains should be included based on observation ...
[6] [7] The 1557 flu saw governments, for possibly the first time, inviting physicians to instill bureaucratic organization into epidemic responses. [4] It is also the first pandemic where influenza is pathologically linked to miscarriages, [8] given its first English names, [2] [9] and is reliably recorded as having spread globally. Influenza ...
Pandemic: It’s a scary word. But the world has seen pandemics before, and worse ones, too. Consider the influenza pandemic of 1918, often referred to erroneously as the “Spanish flu ...
The 1889–1890 pandemic, often referred to as the "Asiatic flu" [1] or "Russian flu", was a worldwide respiratory viral pandemic. It was the last great pandemic of the 19th century, and is among the deadliest pandemics in history. [2] [3] The pandemic killed about 1 million people out of a world population of about 1.5 billion (0.067% of ...
Flu season is an annually recurring time period characterized by the prevalence of an outbreak of influenza (flu). The season occurs during the cold half of the year in each hemisphere. It takes approximately two days to show symptoms. Influenza activity can sometimes be predicted and even tracked geographically.
Here’s what experts expect this year and how to protect yourself. Flu season typically begins in fall and lasts until spring. When to Expect Flu Season to Start, Peak, and End This Year ...