USA: FBI, Dept of Energy say the Wuhan lab, where US-based EcoHealth Alliance was carrying out Coronavirus 'gain of function' research with the Chinese government, is the most likely origin of Covid.
In a letter dated Thursday (January 26), Rubio said, "An investigative report suggests that Pfizer may be conducting gain-of-function research, which it dubs “directed evolution” research to mutate the SARS-CoV-2 virus to create additional, more potent variants and vaccines to combat future variants."