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The 1918 flu pandemic (January 1918 – December 1920) was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus. It infected 500 million[2] people across the world, including remote Pacific islands and the Arctic, and killed 50 to 100 million of them—three to five percent of the world's population[3]—making it one of the deadliest natural disasters in human history.[2][4][5][6]
Будь ласка,
поділіться своїми ідеями з нами.
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