Since the outbreak of the new crown epidemic in the United States last year, a total of more than 675,400 people have died in the epidemic, exceeding the total number of deaths estimated by the United States in the 1918 Spanish flu epidemic. The Centers for Disease Control and Prevention (CDC) listed the lessons learned from the Spanish flu epidemic in April last year, including not prematurely relaxing the epidemic prevention, young and healthy people should not have the illusion of safety, and not relying on uncertified treatment However, experts say that many people have not paid attention to it. Politicians and the media have incited people to refuse injections. The epidemic disaster that should have been avoided has been intensified due to the spread of false information such as poor epidemic prevention by the authorities and anti-vaccination.