Zika virus antibodies

Which test do we use?

IgM and IgG ELISA and in adition, depending on the result and on the clinical information, an immunofluorescence test (IFAT) and a virus neutralisation test.

Sampling instructions

For 1 or 2 serological analyses: at least 1 ml serum
For 3 to 5 serological analyses: at least 2 ml serum

Storage conditions

The serum can be sent at room temperature, but the duration of transportation must be reduced as much as possible (avoid weekends or holidays).

Important advice

When testing asymptomatic patients in relation to a pregnacy/ wish to become pregnant, please wait until three weeks after the return from the endemic region before sampling so zika can be excluded with sufficient certainty.


During the first days after the onset of fever the virus itself can be detected by PCR.


Please mention the following information on the application form:
– country visited
– pregnancy
– presence or absence of symptoms
– date of onset of symptoms
– sampling date


1-2x / week

Reference values


Delivery time of the result

On average:

ELISA: 5 days

Neutralisation test: 16 days


ISO 15189 – Belac 147-MED


551250 / 551261


ELISA IgG: 91080-2

ELISA IgM: 80824-6

IFAT IgG: 89590-4

IFAT IgM: 89591-2

Laatste wijziging op: 17/01/2023