DIPHTHERIA IGG ANTIBODY TEST (IMMUNITY CHECK)
(Flat ₹351 OFF - Sanovra Lab)
Report Time: Next Day Evening (Cutoff 4:30 PM) | Sample: Blood (Serum) | Test Code: ES174
Diphtheria is a serious bacterial infection caused by Corynebacterium diphtheriae. It affects the mucous membranes of the nose and throat, creating a thick, gray coating that can make breathing difficult. The bacteria also release a dangerous toxin that can damage the heart and nerves.
Thanks to vaccines (like DPT or Tdap), Diphtheria is rare today. The Diphtheria IgG Antibody Test is a blood test used to measure your body's level of "memory antibodies" (IgG) against the Diphtheria toxin. It tells you whether your past vaccinations are still protecting you, or if you need a booster shot.
Why Check Diphtheria Immunity?
Most of us received the Diphtheria vaccine as children. However, unlike some vaccines that grant lifetime immunity, protection against Diphtheria slowly fades over time. If your antibody levels drop too low, you become vulnerable to the infection again.
Who Should Take This Test?
Doctors often recommend the Diphtheria IgG test for the following groups:
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➤Healthcare Workers: Hospital staff exposed to infectious diseases must prove they have active immunity.
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➤International Travelers: Those traveling to regions where Diphtheria is still endemic (parts of Asia, Africa, and Eastern Europe).
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➤Unknown Vaccination History: Adults who lost their medical records and don't know if they received their childhood shots or adult boosters.
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➤Immunocompromised Patients: To check if their body successfully responded to a recent vaccine.
Interpreting Your Results
The lab report will provide a numerical value (IU/mL) indicating the concentration of IgG antibodies in your blood. Here is how to interpret the numbers:
| Antibody Level (IU/mL) | Immunity Status | Recommendation |
|---|---|---|
| Less than 0.1 | No Protection. You are susceptible to Diphtheria. | A full vaccination series or an immediate booster is highly recommended. |
| 0.1 – 0.99 | Basic Protection. You have some immunity, but it may be fading. | A booster shot is often recommended, especially if you are traveling or at high risk. |
| 1.0 or Greater | Full Protection. You have a strong, protective immune response. | No immediate booster is required. Your immunity is optimal. |
Frequently Asked Questions (FAQs)
No, fasting is not required for the Diphtheria IgG antibody test. You can eat and drink normally before your sample is collected.
If your antibody levels are already very high (> 1.0 IU/mL), getting another booster shot can sometimes lead to an increased risk of severe local reactions (swelling and pain at the injection site). This is why checking your IgG level first is a smart choice.
Health guidelines typically recommend a Td or Tdap booster (Tetanus, Diphtheria, Pertussis) every 10 years for adults to maintain optimal immunity.
Confirm Your Protection
Don't guess your immunity status. Book your Diphtheria IgG Antibody Test today at Sanovra Lab.
Disclaimer: The information provided here is for educational purposes only and does not constitute medical advice. Vaccination decisions should always be made in consultation with a qualified Physician.