According to the report of the United Nations on October 31, 1918, the worldwide influenza epidemic killed millions of people in the world. The influenza epidemic in 1918 (flupandemic), the worldwide epidemic epidemic epidemic death rate between 1918 and 1919 was about 2.5%; and the global epidemic epidemic epidemic occurred between 1918 and 1919 compared with 0.1% was more lethal. Its name originated not because the influenza epidemic broke out in Spain; but because about 8 million people were infected with the disease and even the king of Spain died with the disease at the time, so the world¡¯s population was about 1.7 billion; and its global average death rate was about 2.5%, and there was no public epidemic in Spain compared with the French epidemic epidemic. In October 1918, the majority of the world¡¯s influenza