Spinal epidural empyema (SEE) is defined as the accumulation of purulent material in the epidural space of the vertebral canal (1). It can affect humans (2), dogs (3–7), and other species (8–13) ...

DEAR DR. ROACH: I read your recent column on shingles. I am 66 years old and in fairly good health. I had both Shingrix shots about five years ago. I take hydroxyurea for polycythemia vera (PV).