Moderna’s vaccine was apparently designed in just a few days, over a weekend, after the genetic sequence became available on January 10th, 2020.https://zeynep.substack.com/p/the-pandemic-heroes-who-gave-us-the
Here’s why that date matters: the sequence was published ten days before China acknowledged the severity of the problem by admitting sustained human-to-human transmission and shutting down the city of Wuhan, on January 20th. The sequence was published while China—and the WHO, which depended on China for information—were still downplaying what was going on, in their official statements. The sequence wasn’t published in an official document. Instead, it was published independently in an open-source depository by Yong-Zhen Zhang, a professor at the Shanghai Public Health Clinical Center and School of Public Health.