This evening i started experiencing shortness of breath and tightness of the chest. im not sure if this is temporary or if i should be worried it could be something serious?

Symptoms: Can't say. COVID 19 Sx's may include fever, cough, feeling tired, shortness of breath, muscle aches, headache, sore throat, chills, chest pain, nasal congestion, loss of taste or smell, nausea, vomiting, diarrhea. Your symptoms could be due to a variety of causes, but COVID 19 is on the differential list. Please get seen if not improving.