Related Clues:
- High-tech invader
- Purel target
- Idea's start
- Common cold cause
- Start, as of an idea
- Tiny bug
- It may be written in code
- 'Cootie'
- It may be what ails you
- Bug first discovered in 1898
- From which disease comes
- Micro-organism causing disease
- Hidden destructive code in computer program
- Infectious agent
- A micro-organism causing disease