新冠溯源，美国到底是信政治，还是信科学？

y on politics or science? By John Lee (ECNS) -- A study conducted by researchers from the U.S. Department of Agriculture (USDA) has detected SARS-CoV-2 antibodies in a blood sample of a U.S. white-tailed deer collected in 2019. It means the wild U.S. deer was...

http://review.jschina.com.cn/meitiguandian/202108/t20210821_2839210.shtml