It is likely that the early symptoms get ignored, as they are similar to a cold - except the nasal discharge and phlegm, which SARS-CoV-2 does not seem to cause

It is likely that the early symptoms get ignored, as they are similar to a cold - except the nasal discharge and phlegm, which SARS-CoV-2 does not seem to cause. (It gives dry cough instead of wet cough.)