Shan Chao was directed to "find out which one had the best ability to infect as many species as possible," and to "find out how easy it was to infect other species."
"I was just thinking, uh, uh, anyway. I started off without you, and I sold a lot of state secrets and a lot of very important things that we shared," Biden seemingly quipped.
Both COVID vaccines and the virus itself are "plausible triggers" of the disease, but the study authors specify that vaccines were "more frequently" linked to the ulcers than the virus.
