Obviously not actual Biden, since he's been dead for years, and obviously not actual COVID, since it doesn't exist, but you get the picture. This is the perfect move to ramp the fear back up and get rid of the "Biden" character in one fell swoop.
Pandemonium will ensue; make sure you've got a lot of food storage, water (including Sawyer Squeeze filters or similar), emergency supplies, etc.
Will happen summer 2024
I think they need more time than that; I think it'll be within the next few months.