Related Clues:
- Wingless parasites
- Parasitic insects
- Head infestation
- Dog problem
- Bujold/Douglas film
- Insensible condition
- Some ectozoa
- Thoughtlessness?
- Unwakable state
- Early Robin Cook thriller
- Hospitalized patient's state
- Whoever's in it is out of it
- Tiny parasites
- Cause of some head scratching
- Wingless blood-suckers