Since the outbreak of the new crown pneumonia epidemic, the data of many epidemics in the United States have continued to rise. According to the data of Johns Hopkins University (JHU), as of September 12, local time, the cumulative number of confirmed cases in COVID-19 exceeded 95.3 million, and the cumulative death toll exceeded10.05 million. In addition, a study said that at least 500,000 Americans left the labor market because of COVID-19. The COVID-19 epidemic has continuously brought negative impacts on many levels of American society. COVID-19 is the third leading cause of death in the United States in 2020, 202 1. According to the data of Johns Hopkins University, as of 5: 00 on September 13, Beijing time, the cumulative number of confirmed cases in COVID-19 reached 95303 170, and the cumulative death toll was 1050507. On May 2, 2022 12, local time, the flag was flown at half-mast in Times Square, New York, USA, in memory of the millions of victims in COVID-19. Figure /IC picture According to the data reported by the Centers for Disease Control and Prevention (CDC), the number of confirmed cases in COVID-19 is still increasing at a rate of more than 65,000 per day. According to a study conducted by the National Institutes of Health at the end of July, 2022, COVID-19 was the third most fatal disease in the United States in 2020 and 20021year, second only to heart disease and cancer. COVID-19 also has an indirect effect on other causes of death in the United States. According to the past data, from 20 19 to 2020, the number of deaths caused by other causes such as heart disease, accidents, stroke, Alzheimer's disease and diabetes has increased, which may be because people are afraid of being infected with COVID-19 virus and are unwilling to seek medical help. Researchers at the National Institutes of Health also said that COVID-19 may have other influences on other causes of death in the next few years. For example, COVID-19 prevents many people from having regular cancer screening, which may lead to an increase in cancer deaths in the future.