I Just Got Released From The Hospital Yesterday After Being

I just got released from the hospital yesterday after being diagnosed with pneumonia cause by mrsa , I still have to return each day for 200ml of antibiotics for the next 10 days through an IV drip, further I have an oral antibiotic I take twice a day. sometime in the next 5 days I will have blood work done again and then a CT scan on the ninth . my air intake got a lot better and had no need for the nose air, now in saying all this I do not feel anywhere near as bad as you can imagine as I did from day one however I am still feeling very weak, and I am still feeling Ill what is going on