By Dr Karthiyayini Mahadevan, Head, Wellness and Wellbeing at Columbia Pacific Communities  Features Cold Flu COVID-19Presenting SymptomsMost common   Less common  Running nose, sneezing   Fever, sore throat  Headache, running nose, fever  Sore throat  Sore throat, fever, body ache, loss of smell, taste and have diarrhoaH/o Contact tracing with COVID positive individual either as primary or secondary