What is the difference between PCR and antibody tests?

Answered by 1 Apollo Doctors

Dr Rohinipriyanka Pondugula

General Practitioner

MBBS
9+ Yrs

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If there is still concern that a person has COVID-19 after a negative antigen test, then that person should be tested again with a PCR test. A negative antibody test means that the person may not have had COVID-19 in the past.

Dr. Rohinipriyanka Suggests...

Take a HS-CRP (HIGH SENSITIVITY C-REACTIVE PROTEIN) Test or Take a DIFFERENTIAL LEUKOCYTE COUNT (DLC) Test

Book HS-CRP (HIGH SENSITIVITY C-REACTIVE PROTEIN) Test Book DIFFERENTIAL LEUKOCYTE COUNT (DLC) Test

Answered 24/07/2025

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.