COVID-19 IgG test?
IgG antibody was generated for COVID-19 within 1 week after symptom onset and remains in the blood after recovery. Moreover, IgG has much better neutralizing activity and the so more elongated expression. IgG tests is intended for use as an aid in identifying individuals with an adaptive immune response to SARSCoV-2, indicating recent or prior infection.
IgG and Immunity
IgG tests can help determine the proportion of a population previously infected with SARS-CoV-2 and provide information about populations that may be immune and potentially protected. Serologic test results may assist with identifying persons potentially infected with SARS-CoV-2 and determining who may qualify to donate blood that ca n be u s e d to m a n u fa c t u re co nva l e s c e nt plasmaexternal icon as a possible treatment for those who are seriously ill from COVID-19.
Performance
> Clinical Performance analysis
Accuracy: 96.18%
Sensitivity: 100.00%
Specificity: 99.00%
> Positive Agreement by Days Post-Symptom Onset
0~7 days: 41.2%
8~14 days: 91.7%
15~21 days: 95.6%
>21 days: 100.00%
Test Procedure
1. Collecting of Sample
For the test, 10 µl of whole blood, plasma or serum is used.
• Collect fingertip blood using a pipette or blood transfer pipette.
• Or use a blood sample obtained by venipuncture.
2. Adding of Sample
Add the collected sample (whole blood/serum/ plasma) to the sample well of the test cassette
3. Dropping of Sample buffer
Add 3 drops (90μl) of sample into the sample well of the test cassette.
4. Reading Test result
Read the results after 10-15 min. The results are invalid after 30 min.
Certificates
FDA EAU
