- An anthrax outbreak occurred in Scotland in 2009-2010 that infected 47 people and killed 13, mostly injecting drug users. The outbreak spread across 8 health board areas. - Anthrax is a bacterial infection caused by Bacillus anthracis found in soil that can survive as spores for years. It is rare in humans but can infect through injection of contaminated heroin, inhalation, or ingestion. - Early symptoms may include flu-like symptoms but can develop into life-threatening systemic infection, meningitis, or sepsis. Seek medical help immediately at onset of symptoms.