Browsing: pcr or antigen

PCR tests are used to detect the presence of a specific gene or DNA sequence in a sample. Antigen tests identify antibodies against a specific antigen.

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PCR vs. Antigen tests: Key differences you should know about and which is better

There are two primary types of Covid-19 tests: antigen and antibody tests. Antigen tests look for the virus itself, while antibody tests look for antibodies to the virus.