Through CBC’s continued partnership with Quest Diagnostics for employer COVID testing, there are two tests currently available:
The polymerise chain reaction (PCR) test is FDA approved and currently the most commonly used test to detect an active infection. This test can be performed at home with a nasal swab or at a Quest Facility.
Experience with other viruses suggests that individuals whose blood contains IgG antibodies associated with SARS-CoV-2 infection—provided they are recovered and not currently infected with the virus—may be able to resume work and other daily activities in society. It usually takes at least 10 days after symptom onset for IgG antibodies to reach detectable levels. The Quest Diagnostics antibody test looks for IgG in your blood.
An IgG positive result may suggest protective immunity after resolution of primary infection, but the relationship between IgG positivity and immunity to SARS-CoV-2 has not yet been firmly established. During the SARS (SARs- CoV) outbreak, it was shown that presence of IgG is an indicator for immunity for up to 2 years.
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COVID Testing, employee testing, antibody testing, Quest Diagnostics