Related Clues:

• Tiny organism that spreads disease
• Does it bug one that it needs an addition to come from Europe?
• That may make you sick and have an addition in Europe
• Beef in a tin may be poison
• The beef in the can is poisonous
• This may make one sick with an addition for people on the Continent
• Snake venom, e.g
• Reason for a skull-and-crossbones warning
• Poison? Sound the alarm!
• Bacterium setting off rubella
• Poison from canned beef
• Queen involved in doctored seed
• Cause of disease
• Microorganism causing disease
• Deadly substance