This isn't new news, Dr David Martin has been saying this for months. He's a patent specialist who specializes in biological patent records. Look at page 19.
https://archive.org/details/the-fauci-covid-19-dossier-by-david-e-martin-ph-d/page/n17/mode/2up

Pseudovirus is a virus replicated in a lab that does not contain the wild caught virus virulence. They cannot isolate a virus they replicate them in a lab (make identical copies) using "eye of newt" procedures, a pseudovirus is constructed the same it's just lacks it's bite....so to speak.