Yellow Fever Immunity Test | Lahalak Platform
Essential for travelers to assess immunity post-vaccination or diagnose suspected infection, ensuring a safe journey and protecting your health when visiting endemic regions.
Scientific name: Yellow Fever Virus Antibodies (IgG & IgM)
Two serological tests are used to detect and measure the titer of immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies against yellow fever virus (YFV). IgG is used to assess the immune response after vaccination (which usually confers lifelong immunity) or previous infection, while IgM is used to diagnose active acute infection, a severe v...
Service type
Laboratory test (Blood)
Duration
10-15 minutes
Fasting
Fasting is not required
Included Services
- Testing for IgM antibodies against yellow fever virus (YFV) by ELISA or PRNT method (the gold standard).
- Testing for IgG antibodies against yellow fever virus (YFV) using ELISA or PRNT.
- Analyze the results together and determine the immunity pattern (negative, previous immunity, recent infection).
- Issue a detailed report with appropriate recommendations (especially for travelers).
- Consult a travel medicine or infectious disease specialist to interpret the overall results.
- Personal support services from Halak.
Medical Service Information
Conditions & Notices
- Fasting is not required. Blood can be drawn at any time.
- For post-vaccination evaluation: The sample should be taken at least 4 weeks after vaccination.
- To diagnose the infection: The sample should be taken at least 3-4 days after the onset of symptoms to obtain good sensitivity to IgM.
- Providing accurate information about travel history and vaccinations is essential for interpreting the results.
- Two samples (acute and convalescent) may be required 2-3 weeks apart to show elevated titer in cases of doubtful diagnosis.
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