
Anthrax is an infectious disease caused by the bacteria Bacillus anthracis. Anthrax bacteria can form spores, which are dormant structures that are very resilient. People contract this illness by coming into contact with infected animals or contaminated animal products. Anthrax cannot transmit from person to person. While anthrax is a serious disease, a vaccine is available for those who develop it. Discover how often the vaccine is available, who should take it, and its safety below.