川普說美國從1月11日就開始研發疫苗

https://www.whitehouse.gov/briefings-statements/remarks-president-trump-vaccine-development/


Scientists at the NIH began developing the first vaccine candidate on January 11th — think of that — within hours of the virus’s genetic code being posted online. So, January 11th. Most people never even heard what was going on January 11th. And we were out there trying to develop a vaccine, not even knowing what we were up against.