Introduction

What are antibodies and antigens?

How are they related to viruses and bacteria? The resources below will help you learn more about these important components of our defense systems.

Video description: A short video we created for the antibody activity. Videos used (in order): Images of antibodies attacking virus. Stop motion. Virus treatment and prevention. Coronavirus treatment. Video by krarte from Getty Images Signature. Antibodies attacking a bacterium from iLexx from Getty Images. Antibodies binding to a virus (a norovirus in yellow) from selvanegra from Getty Images. Vaccine antibodies attach and destroy coronavirus from braverabbit from Getty Images Signature. Lymphocytes and antibodies from Ugreen from Getty images. 3D illustration of broadly neutralizing antibodies from Nils Richter from Gettiy Images Signature. Loopable and with alpha channel. PDB Number 4NCO. Video created by Carlos C. Goller using canva.com (paid). Text by Carlos C. Goller. Video music: Antibody by Marten Moses.

Now let's learn about antibodies and antigens and how they help us prevent viral infections.

Video by: Rachel Taylor. What are antigens? How are antibodies and antigens specific? Why didn't my flu shot work, and why do I keep getting a cold?