Endoscope cover with cavity that accommodates a hand piece of an endoscope and a hollow cannula extending distally from the cavity that accommodates a probe of the endoscope when the hand piece is inserted into the cavity of the cover. A reusable endoscope with a hand piece and a probe is provided with a retractable shield covering at least a portion of the probe. A system includes a cover with a cavity and a hollow cannula extending distally from the cavity, a reusable endoscope with a hand piece and a probe extending distally from the hand piece, and a retractable shield covering at least a portion of the probe, where the cannula is configured to accommodate therein the probe when the hand piece is inserted into the cavity of the cover.