Relapse?

Or is this just what Covid does?

So I woke up earlier with chills, 101 degree fever, soar throat, congestion, and the worst body aches of my life. Is this a relapse? A different flu virus? Or is this just what Covid does?

If the fever hadn’t come down, Maddy was going to take me to ER. Thankfully it is 97.6 at the moment, but even that is still a little high for me. The chills went away, but my…