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The Conversation
The Conversation
Joshua Pate, Senior Lecturer in Physiotherapy, University of Technology Sydney

Why does my back get so sore when I'm sick? The connection between immunity and pain

Brain Covid-19 ARC
Shutterstock

Have you ever wondered why your back aches when you’re down with the flu or a cold? Or COVID?

This discomfort, common during many illnesses, is not just a random symptom. It’s a result of complex interactions between your immune system and your brain called the “neuroimmune synapse”.

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