Coronavirus did NOT arrive in the US before 2020, says study
Coronavirus did NOT arrive in the US before 2020, suggests Stanford study of 1,700 nose and throat swabs that were collected last year Researchers looked at 1,700 nasopharyngeal swab samples collected between October 31, 2019 and December 31, 2019 at Stanford Health Care All of them were negative for routine respiratory virus testing and none … Read more