Immune exhaustion driven by antigen in chronic viral infection

A main reason why viruses such as HIV or hepatitis C persist despite a vigorous initial immune response is exhaustion. The T cells, or white blood cells, fighting a chronic infection eventually wear out.

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<p><a href="http://www.physorg.com/news161454772.html">Immune exhaustion driven by antigen in chronic viral infection</a></p> <p>A main reason why viruses such as HIV or hepatitis C persist despite a vigorous initial immune response is exhaustion. The T cells, or white blood cells, fighting a chronic infection eventually wear out.</p>