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1
How you know a virus or 'germ' causes a disease
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2
What is a virus?.. two competing ideas
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3
The gold standard for finding a virus
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4
How modern virology 'looks' for a virus
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5
Find out for yourself: how to ask for the proof
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What is a virus?.. two competing ideas
Lesson 2 of 5
Summary
Explore two theories: viruses as hostile invaders versus exosomes as cellular messengers. Understand the scientific debate about virus nature.