Table 3.
Results of genetic tests for measles virus (MeV) in modified measles cases for which the PBMC sample showed a negative or equivocal result by a real-time reverse transcription (RT) PCR in Yamagata Prefecture, Japan, March–April 2017
| No. of cases | Real-time RT-PCR | Conventional RT-PCR | Result | ||||
|---|---|---|---|---|---|---|---|
| PBMC | Throat swab | Urine | Serum | PBMC | Throat swab | ||
| 28 | − | + | − | − | ND | ND | MeV positive |
| 39 | − | + | − | − | ND | ND | MeV positive |
| 57 | − | + | − | − | ND | ND | MeV positive |
| 60 | − | ± | − | − | ND | +(H gene) | MeV positive |
| 30 | ± | ± | − | ND | +(N gene) | +(N gene) | MeV positive |
| 52 | ± | − | − | − | +(H gene) | ND | MeV positive |
| 54 | ± | + | − | − | ND | ND | MeV positive |
PBMC, peripheral blood mononuclear cells; ND, not done.