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Antigens are special 'badges' or a 'red flags' recognised by your immune system. They allow the body's defender cells to recognize what belongs to the body and what is foreign. These red flags are different substances on the surface of invaders, such as viruses and bacteria, or on the surface of the body's infected or diseases cells. They are important for triggering the defense system.


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This entry was provided by the doctoral students of the GetRADI collaborative network. GetRADI is funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Executive Agency. Neither the European Union nor the granting authority can be held responsible for them.

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