The City of Coral Gables began its COVID-19 testing on Friday, and hundreds of residents have already requested they be tested.
However, many have asked about the type of test the City is performing. Is it a PCR (polymerase chain reaction) test or an antibody test?
Like many government agencies, the City of Coral Gables is performing PCR tests. PCRs use the person’s mucus, taken from the nose or throat. It will determine if the patient currently has the virus.
Antibody tests are taken from blood or plasma samples and measure IgG (Immunoglobulin G) and IgM (Immunoglobulin M) antibodies. These antibodies show up at different times following the initial onset of the virus. IgM antibodies can be traced as soon as 7 days after presence of COVID-19, while IgG can be traced after 14 days of its onset.
The City of Coral Gables is currently offering PCR testing only, but antibody testing is currently being discussed.