We all hope they improve but don't worry about feeling a little wiped out at the moment.
Remember your body has just suffered a major assault. Whilst there are no external signs, wiping out your immune system is a big deal. In addition you are coming down from the steroids dose which can also leave you feeling a little run down for a few days.
Stick with it, relax, and hopefully look forward to a future where the beast is tamed.
Do not go gentle into that good night. Rage, rage against the dying of the light.