These are the same army scientists who helped develop vaccines for anthrax, the plague and Ebola. Now, they have been working double shifts growing large amounts of the COVID-19 virus at this sprawling lab complex.

"We have more capacity to run more studies at the same time," Col. E. Darrin Cox, the commander of USAMRIID, explained. "We can be running things in parallel rather than having to do things sequentially, and that's helped speed up the process of the science."