Related Clues:

• From which disease comes
• Listening device, insect or electronic fault
• Micro-organism causing disease
• A micro-organism causing disease
• Insect, or flaw in computer program
• Defect in a computer program
• Disease-causing bacterium
• Defect in computer program
• Micro-organism that causes disease
• It's snug in a rug (3)
• It's snug in a rug
• Insect or defect in a computer program
• Small organism that spreads disease
• Insect or defect in a computer program
• Tiny organism that spreads disease