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...opens and releases its RNA genome, which is then used as a template to make more viral RNA and proteins. It has been found that cells involved in both the innate and adaptive immune systems can become rapidly depleted following SARS-CoV-2 infection, thereby severely compromising antiviral immunity. [Diagram of coronavirus structure] Figure 2. Diagram of coronavirus...

...Open University's Science courses and qualifications Earth is a vibrant blue planet, the only place that we can be sure that life exists. As A Perfect Planet shows, a complex and interconnected set of systems operate to form our environment. Every planet except one in the Solar System has a gaseous atmosphere, as do some moons and even some dwarf planets. Why does the...

...Open University research student Zoe Morland...The Moon is the most extensively studied planetary body outside of Earth. Despite this, its formation mechanism is still a mystery. Transcript Astronomy & Planetary Science The Formation of the Moon Zoe Morland: Have you wondered how the Moon was made? The Moon is the most extensively studied planetary body outside of Earth....

...Open University's Health Sciences qualification. The immune response to viral infection The immune response to a viral infection is primarily generated by a type of white blood cell called lymphocytes; cells that are mostly localised in ‘lymphoid tissues’ such as the lymph nodes or tonsils. However, the number of lymphocytes that can recognise and react against any...