Retesting for covid by rtpcr is not recommended. You may test positive for upto 3 months, even when you are clinically fit and healthy.
Tiredness may persist for upto 1 to 2 months after covid infection. Improve diet and start exercising for faster recovery.
Crp is high (above10) hence the covid infection is not completely resolved.
Your body will take it's own time to recover, so take good rest. Nothing to worry✌
Next Steps
Retest
crp after 10 days.
monitor spo2 thrice a day.