Good day. i work at a hospital but don't have direct contact with the corona virus patients. from yesterday evening i've been having a itchy and mild sore throat, no fever and no other symptoms. do i need to be concerned?

See: Someone in your position may be at a slightly elevated risk. The symptoms of Covid19 may take a few days to develop. These may include a fever and a dry cough, possibly shortness of breath. You might want to consider being tested if these additional symptoms appear. Your condition could also be caused by a bacterial sore throat or a common cold.