It was subsequently estimated that the Spanish flu of 1918 killed between 20 and 100 million people around the world, including 500,000 in the United States alone, decreasing the average life expectancy by 12 years in one year!
根據日後推估，全球因一九一八年西班牙流感致死的人數，大約在二千萬至一億人之間，單單美國就有五十萬人慘遭毒手，使得當年的平均壽命竟比前一年驟降十二歲！