Blood Test

A Blood Test Does Not Always Show COVID-19

According to the Centers for Disease Control and Prevention (CDC), blood tests can determine past infections of a virus by detecting antibodies, proteins created by the immune system in response to a virus that protects against later infections. However, there have been questions as to how accurate COVID-19 antibody tests are for detecting past infections, according to an article published by the CDC’s November edition of the Morbidity and Mortality Weekly Report (MMWR).