A member asked:

What is the difference between specific and non-specific immune responses?

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Dr. Brant Ward answered

Specializes in Allergy and Immunology

Non-specific...: ...Responses recognize patterns of proteins and chemicals made by bacteria, viruses, etc., that are broadly different from us. This quickly identifies "danger" but isn't foolproof (labeling good bacteria as dangerous, e.g.). The specific response learns to recognize individual proteins or chemicals specific to a species or strain of bug. This takes time, and can be fooled if the bug changes.

Answered 4/11/2013

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