| Parents must keep their children away from unsterile food and prevent such habits as biting their nails. |
| I always have been taught that the back of the gown is considered unsterile and that personnel in sterile attire should not have their back to sterile supplies or fields. |
| If a swab is dropped or becomes unsterile in any way, it should be thrown away. |
| Panicky use of unsterile needles may transmit HIV, hepatitis C, or other infections. |
| I've got kids and I'd hate to think of my kids getting tattooed by their mates, unprofessionally, unsterile, round the house. |
| The surgeon and circulating nurse place an unsterile U-shaped drape before the prep to isolate the perineal area from the surgical site. |
