A person who attended a picnic early in the day develops a very high fever and is unresponsive by the evening. This person most likely has been exposed to superantigen. The correct option is c.
Superantigens cause an overstimulation of the host immune system. The exotoxins secreted by a specific bacterial strain are known as superantigens.
These may also be thought of as endotoxins that are produced in reaction to viral infections. These are created by the bacteria inside the cells, or in cases of infection, the cells may release them as extracellular mature toxins.
Therefore, the correct option is c. superantigen.
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