I tested positive for covid on 7 december. since yesterday i've been having a tight feeling in my chest, i do have post nasal drip and phlegm. i feel like i'm short of breath but the pulse oximeter shows my breathing as 98 or 99?

Be on guard: So far your oxygenation is okay. If you develop breathing difficulty or if your pulse-oximeter reading drops below 90-92, go to the nearest hospital. Wish you good health!

Covid: Your normal oxygen saturation is a good sign, but lung complications often develop after the first week of covid infections so remain vigilant about worsening chest discomfort and shortness of breath and dropping oxygen saturation. Notify your physician of your symptoms, keep him/her posted ,get instructions, as copious discolored sputum may warrant antibiotics.