Soros is dabbling in vaccine technology stock, of course.

"BRIEF-George Soros Reports 5.6% Passive Stake In Xeris Pharmaceuticals Inc As Of June 30"

https://www.reuters.com/article/brief-george-soros-reports-56-passive-st/brief-george-soros-reports-56-passive-stake-in-xeris-pharmaceuticals-inc-as-of-june-30-idUSFWN2EH0RT

"Currently, Xeris is working on a number of formulation feasibility programs in the areas of peptides, vaccines, and monoclonal antibodies."

https://www.xerispharma.com/research-development/partnering