A 3 Year Old Child Has A Fever Of 102 Degree F; And Following Upper Respiratory Tract Infection Discrete Vesicles And Ulcers On The Soft Plate And Pharynx Are Noted, The Most Probable Diagnosis Is ______

A 3 Year Old Child Has A Fever Of 102 Degree F; And Following Upper Respiratory Tract Infection Discrete Vesicles And Ulcers On The Soft Plate And Pharynx Are Noted, The Most Probable Diagnosis Is ______