What is a serology test, and how does it help diagnose infections? - #14768
I’ve heard a lot about serology tests, especially in relation to diagnosing infections, but I don’t fully understand how they work or what they measure. How does a blood test help doctors identify specific pathogens or infections? What is a serology test, and what kind of information can it provide about an infection? I read that it detects antibodies in the blood—how do these antibodies indicate if someone has had or currently has an infection? Are there different types of serology tests, and how do doctors determine which one to use? I also want to know how long it takes to get results from a serology test, and whether the test is reliable for diagnosing conditions like HIV, hepatitis, or COVID-19. Are there any risks or limitations with serology tests? If anyone has had a serology test, what was it used for, and how did it help with diagnosis? Were the results helpful in identifying an infection or determining the treatment plan?
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