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Richard Trudgen and Djiniyini Gondarra discuss the highly contagious Delta variant of COVID-19.  Yolngu people are seeing lots of trouble and conflict over the Covid-19 virus in New South Wales and Victoria. What is making these people sick? Is it the same Covid-19 virus?

Timothy Trudgen and Biritjalawuy Goṉḏarra explain how white blood cells detect and fight COVID-19 as it spreads into the lungs. They talk about the different types of White blood cells and how they protect the body. What is the effects of the fight between disease and these immune cells inside the body?