Biological warfare

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Biological warfare (or germ warfare) is when pathogens are used as a weapon. This is called a biological weapon. Pathogens are organism microbes that can cause disease. If non-living things (like toxins) are used, this is considered to be chemical warfare.

Biological warfare has been used throughout history. The first form of biological warfare may have been when the plague hit the Mongols. During battle, they were said to have thrown plague victims' bodies at their enemies. Before the 20th century, it took some of the following forms:

During the Second Sino-Japanese War, biological weapons were used by the Japanese army against China. The Japanese army usually launched contaminated fleas or food from planes.

Today, pathogens for diseases like anthrax or smallpox could be used as agents for biological weapons.

The production, and stockpiling of such weapons was forbidden in the Biological Weapons Convention of 1972