In 2015, the University of North Carolina at Chapel Hill was working on chimeric corona viruses (modified versions of natural viruses). These studies were published in Nature magazine

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According to Dr. Rashid Buttar, researchers at the University took the a strain of the coronavirus and "brought in the backbone from the SARS coronavirus...and then inserted HIV and MERS orthologs to make a more virulent virus"

This research was being done despite the US government having placed a moratorium, basically outlawing this type of research because it had the potential to cause a global pandemic. However Anthony Fauci still approved a budget for this research to continue

In 2017, Fauci then said there was "no doubt" that Donald Trump would face "a surprise pandemic" during his tenure as president

After the US govt had outlawed the research into chimeric (laboratory cocktail viruses) coronaviruses, the research was moved to Wuhan in China along with a $3.7m grant to be continued there. What happened from there will hopefully be revealed soon