How does the human body fight a viral infection?
![](https://www.open.edu/openlearn/pluginfile.php/3279115/tool_ocwmanage/image/0/coronavirus-4914026_1280.jpg)
Some individuals generate an effective immune response to COVID-19. Why? Discover the immune response to viral infection in this explainer article
![](https://www.open.edu/openlearn/pluginfile.php/3279113/tool_ocwmanage/articletext/0/immune_defence_mechanisms.png)
How does the human body fight a viral infection?
![](https://www.cdc.gov/antibiotic-use/images/VirusOrBacteria-Original-Thumb.jpg)
Be Antibiotics Aware: Smart Use, Best Care, Patient Safety
![](https://www.frontiersin.org/files/MyHome%20Article%20Library/1147724/1147724_Thumb_400.jpg)
Frontiers The gut-lung axis in influenza A: the role of gut
![](https://www.open.edu/openlearn/pluginfile.php/3375932/tool_ocwmanage/image/0/thumbnail_turtle.jpg)
Science, Maths & Technology - All content
![](https://newsinhealth.nih.gov/sites/nihNIH/files/2022/August/aug2022-capsule-1-illustration-phage-infecting-bacterium.jpg)
Fighting Bacteria With Viruses
![](https://assets.technologynetworks.com/production/dynamic/images/content/344829/humoral-vs-cell-mediated-immunity-344829-270x270.jpg)
Humoral vs Cell-Mediated Immunity
![](https://www.open.edu/openlearn/pluginfile.php/3279664/tool_ocwmanage/articletext/0/dreamstime_s_187808414.jpg)
Grief during COVID-19: supporting our colleagues to return to work and thrive following loss
![](https://www.open.edu/openlearn/pluginfile.php/3375937/tool_ocwmanage/image/0/thumbnail_turtle.jpg)
Science, Maths & Technology - All content
Penn Study Finds Serotonin Reduction Causes Long COVID Symptoms
![](https://images.theconversation.com/files/178912/original/file-20170719-10776-zehwxn.jpg?ixlib=rb-1.1.0&q=20&auto=format&w=320&fit=clip&dpr=2&usm=12&cs=strip)
Explainer: How the human body first fights off pathogens
![](https://www.researchgate.net/publication/340683473/figure/fig5/AS:881154647392258@1587095047811/Overall-Implementation-Architecture_Q320.jpg)
PDF) COVID-19 Antibody Test Certification: There's an app for that