How do you know if you have a virus? - Cella Wright

TEDEd
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How do you know if you have a virus? - Cella Wright

TED-Ed Lesson: A new virus emerges and spreads like wildfire. In order to contain it, researchers must first collect data about who’s been infected. Two main viral testing techniques are critical: one tells you if you have the virus and the other shows if you’ve already had it. So, how exactly do th…
Publisher
TED Ed

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