3 ms·
It took just weeks after the virus was DNA sequenced to make the first vaccine. The trials are what took so long. The vaccine existed before we started shutting
by choward 5y ago
It took just weeks after the virus was DNA sequenced to make the first vaccine. The trials are what took so long. The vaccine existed before we started shutting stuff down in the US.
https://covid19.nih.gov/news-and-stories/vaccine-development https://covid19.nih.gov/news-and-stories/vaccine-development