The Biology Project: Immunology

Introduction to Immunology

Problem 1. Pathogens and antigens


A pathogen is a type of antigen.



A pathogen is a type of antigen that causes disease. In contrast, an antigen is anything that can cause an immune response – typically a nonself particle or microorganism. An antigen may be harmless, such as grass pollen, or a harmful pathogen, such as the flu virus.
B. False


Problem 1 | Tutorial | Problem 2

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