The optimist in me wants to believe that this means he's about to be appointed as the head of the national coronavirus response. There's probably no better qualified person in the world to manage the coordinated effort.
Why on earth would he be the most qualified person for that?
2. Bill Gates looks at problems logically, finds missing links, and solves those links. Whether that is refrigeration for vaccines, getting useful data for diseases, etc.
3. Bill Gates knows a ton about diseases, epidemics, etc. He's super curious and doesn't stop learning.
Who could be more qualified for the job?