Are you currently infected or just recovering from a virus?
In short: When a new virus spreads, researchers need to know exactly who is carrying it. This video explains the two fundamental testing methods used to distinguish between an active infection and a past encounter.
Cella Wright explores the distinct mechanics of PCR tests and immunoassays. While PCR tests are used to diagnose an active infection, immunoassays serve a different purpose by detecting antibodies to show if a person has already had the virus.
Understanding these two techniques is essential for collecting the data required to contain emerging viral threats.
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Sources
- Summary by Intellect · source: How do you know if you have a virus? - Cella Wright
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