Topic
Diagnostics
2 questions tagged Diagnostics — spanning every one of the seven Ws.
how
How do blood tests show whether someone has a viral infection?
Blood tests can detect antibodies, antigens, or viral genetic material. Different tests show whether the body has been exposed, is currently infected, or both.
Human BiologyDiagnostics
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How do blood tests show whether someone has an infection or has been vaccinated?
They can measure antibodies or other markers the immune system makes in response to infection or vaccination. Different antibody patterns can help doctors tell recent infection from prior immunity.
MedicineDiagnostics