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Occurred in Europe, Asia and Africa, killing around 200 million people and about 60% of Europe's population
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Started in India, then spread across Asia. First of 7 cholera pandemics to come.
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Killed many younger individuals and spread quickly due to WW1. Supposedly originated in Kansas USA
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Caused by an antigenic drift, originated in Hong Kong before spreading to many other places across the globe. Mortality rate was low over all, but high among the younger population.
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Similar character to the Spanish Flu, targeting the younger population. 150,000 to 250,000 people died. Spread to 122 countries in 6 weeks.
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Emerged in Guinea. Many healthcare workers who volunteered to help, succumbed to the disease. Hypoglycemic/hemorrhagic shock was typically the cause of death.
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Respiratory virus. Originated in China near the end of December, before quickly spreading to the rest of the world by March. Quickly spread due to international travel.