Combine Immune Response for COVID-19 after Vaccination




Combine Immune response package for COVID-19 antibody (Spike IgG antibody level and Neutralizing antibody)
  • Determination of IgG antibodies against SARS-CoV-2 spike protein in human serum
  • Evaluation the efficacy of neutralizing antibodies for immune response

This test is for individuals

  • who want to monitor antibody response after received the COVID-19 vaccine or after COVID-19 infection.
  • Antibody tests should not be used to diagnose a current infection.
  • who want to know the efficacy of neutralizing antibodies to COVID-19 infection.

Suitable period to detect
The suitable period is 14-28 days after complete vaccination program but not longer than 3 months.

Additional information about the SARS-CoV-2 (Covid-19) Spike IgG Antibody Test

  • Positive result have not been evaluated to assess the level of protection provided by an immune response to COVID-19 vaccination. Precutions practice against SAR-CoV-2 exposure is highly recommened.
  • Negative result after complete vaccination program can indicate as; serum collected too soon following infection or vaccination, or in immunosuppressed patients, or in patients with asymptomatic infection, or vaccine type, or different antibody response in individual.
  • Intermittent detection is recommeded.

Technical information

1.SARS-CoV-2 (Covid-19) Spike IgG Antibody Test

  • Quantitatively measuring SARS-CoV-2 IgG Antibody.
  • Use Chemiluminescent Microparticle Immunoassay (CMIA) method, report within 2 hours.

2.SARS-CoV-2 (Covid-19) Neutralizing (NT) Antibody test

  • Semi-quantitative measuring of inhibitory effect of neutralizing antibody against S1/RBD of SARS-CoV-2 virus.
  • Use Enzyme Link Immunosorbent Assay (ELISA) method
  • Report within 4 days after blood collection.


  1. This package applies to the OPD case only.
  2. This package applies to the self-pay or insurance payment. (If insurance company accept this package price conditions.)
  3. This package is non-refundable in all conditions.
  4. Please schedule an appointment in advance by calling +66904017468  or email:
  5. Prices are valid until 31 December 2023 (prices are subject to change without prior notice).
  6. The service is available 365 days from the date of purchase.


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