Now that we're entering a US election year where covid clearing up before November will help the democrats at the polls, just watch. It'll be over by the end of summer so the Democrats can claim they "defeated covid" by the time people go to the polls in November.
I mean here we are, at the top of an election year, and they're already starting to pump the brakes on the covid measures. They're already starting to wrap the pandemic up.
https://www.cdc.gov/media/releases/2021/s1227-isolation-quarantine-guidance.html
Now ask yourself if it's a coincidence that a pandemic appeared at the top of an election year when a pandemic would be the most useful to the Democrats (running against a president with a booming economy), and then the pandemic started to disappear at the top of an election year when the Democrats needed a "we beat covid" win going into the polls?