It has been four years since patients sickened with unexplained pneumonia started appearing at hospitals in the central Chinese city of Wuhan. But U.S. policymakers are still investigating how COVID-19 emerged in the country. To keep it from happening again,Read more https://www.theepochtimes.com/article/sen-marshall-calls-for-halt-of-gain-of-function-studies-funding-chinese-research-5569613