中国国家卫健委：下一步新冠病毒溯源工作应重点在美国开展

Core Viewpoint - The Chinese government emphasizes the need for further investigation into the origins of COVID-19, particularly focusing on the United States, citing evidence that the virus may have existed in the U.S. before the first reported cases [1][2][3] Group 1: China's Actions and Position - China has invested significant resources in collaboration with international scientists for COVID-19 virus tracing research, maintaining an open and transparent approach [1] - The country has conducted various epidemiological studies and invited WHO experts to China for joint research in 2020 and 2021 [1] - As of now, there is no evidence contradicting the conclusions of the WHO report on the virus's origins published in March 2021 [1] Group 2: Evidence from the United States - Research indicates that COVID-19 may have originated outside of China, with studies showing positive antibody samples in the U.S. as early as December 2019 [2] - The U.S. National Institutes of Health's "All of Us" project found COVID-19 antibodies in blood samples collected from January 2 to March 18, 2020, suggesting early low-level transmission in the U.S. [2] - Experts from The Lancet suggest that the virus may not have a natural origin but could be linked to a laboratory accident in the U.S., citing numerous laboratory incidents involving dangerous pathogens [2] Group 3: Call for U.S. Accountability - The Chinese official calls for a comprehensive investigation into the early COVID-19 cases in the U.S., asserting that the timeline of the outbreak in the U.S. predates official reports [3] - The U.S. is urged to respond to international concerns and share early suspected case data with the WHO for accountability [3]