Dear Dr I was in isolation since 19th and tested positive on 25th with a score of 23. Had no symptoms other other loss of smell n tatse.ct scan was done 29th april and reports were normal. It is my 19th day today and have needed my isolation on day 17 with all.prescibed medicines.. Experiencing mild dry cough since yesterday night.. a little worried..should I go for testing again? Can it be reversal of covid?