article_snippet: One incident occurred in June when dozens of employees in a bioterrorism lab working with the deadly anthrax virus, were at risk because of a failure to properly follow sterilization techniques.
article_snippet: The head of a bioterrorism lab working with the deadly anthrax virus resigned after One incident.
article_snippet: This followed a May incident in which avian influenza samples, thought to not be dangerous, were unintentionally mixed with the deadly anthrax virus and then shipped to a USDA lab.
article_snippet: Then in December, with Group of experts already working to reduce lab safety risks and improve the culture of safety, employees in a USDA lab were potentially exposed to the deadly anthrax virus when a technician mistakenly transported the wrong specimens from a high-level lab to a lower-level lab.