Serum samples that were collected from the patient and the camels were serially diluted up to 1:51,200.
A conventional immunofluorescence
assay to detect anti–MERS-CoV antibodies was
performed in Vero cells infected with MERS-CoV,
with the use of a commercially available test kit
(Anti-MERS-CoV IFT, EUROIMMUN), as described
previously.