Quantitative test to detect antibodies(IgG) which are directed against the particular region of the viral spike protein responsible for binding to the host cell receptor, which is required for the virus to enter the host cell.
Who should be tested for SARS CoV- 2 Spike Antibody test?
- Prior to vaccination – to check antibody levels
- Recovering from COVID-19 infection – ideally 3 to 4 weeks after infection
- After 2nd dose of vaccination - ideally 2 to 3 weeks after 2nd dose of vaccination