My father is having Covid from last 10 days in home isolation...and under medication...his CBC,esr and crp report is normal and d dimer is 0.22 He is having morning fever 99-99.3 Pulse rate is normal and oxygen level is 94... sometimes come down but after yoga and exercise it comes normal Medicine Dolo Zinc tab Vitamin c Mortair Steroid Doxy Kindly suggest what else to do to recover completely.