The most common route by which biological agents enter the body is through inhalation.
Bioterrorism refers to the threat of deliberate release of biological agents including viruses, bacteria, fungi or microbial toxins so as to cause disease or death amid human population as well as livestock with an aim to spread terror.
The main routes of entry of biological agents into the human body are through inhalation, contact (skin or mucous membrane) as well as the digestive tract.
Means of dispatch could be through bomblets carried by aircrafts or can include deployment of spray tanks fixed on vehicles. The biological agents of anthrax, plague, smallpox, etc. can be delivered in the form of aerosols which can cover large geographical regions.
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