Swallowing chest pain will be a new crown infection?

Swallowing saliva to show chest pain is not necessarily a new crown infection, because first of all this situation is not infected with the new crown symptoms performance, human infection after the new crown will show fever, limb fatigue, appetite loss, cough and other performance performance, normal is not to show swallowing saliva chest pain. Therefore, this situation can not be used as the infection of the new crown standard. Chest pain when swallowing saliva may be related to esophageal disease, because when the human body swallows saliva, it must first pass through the esophagus and then enter the stomach. When pain is shown, it may be caused by inflammation of the esophagus or even cancer.