Viral RNA was extracted from 140 μl of serum, urine and saliva samples, respectively, by using QIAamp Viral RNA kit (QIAGEN, Germany) according to manufacturer’s instruction. ZIKV RNA was determined by using real time RT-PCR on an ABI 7500 Fast Instrument. The primer set used to detect viral RNA was: forward primer, 5’-GTGACGCCACCATGAGCTATGA-3’; reverse primer, 5’- TGATGGCAGGTTCCGTACACAAC-3’; and probe, 5’- /FAM/CCAAGTTGACGTCGTGTTGCACCAGCA/BHQ1/3’.
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