Table 1.
The number of reported measles cases and MV genotype data in Japan.
| Year | The total number of reported measles cases∗ | The number of lab-confirmed measles cases by PCR | % of PCR detection | The number of cases with MV genotype data |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | Genotype |
||||||||||
| D5 | D4 | D9 | H1 | G3 | B3 | D8 | |||||
| 2008 | 11,023 | 258 | 2.3 | 43 | 39 | 1 | 0 | 3 | 0 | 0 | 0 |
| 2009 | 724 | 5 | 0.7 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| 2010 | 443 | 21 | 4.7 | 20 | 0 | 1 | 16 | 2 | 0 | 0 | 1 |
| 2011 | 438 | 124 | 28.3 | 115 | 0 | 58 | 49 | 0 | 2 | 0 | 6 |
| 2012 | 282 | 72 | 25.5 | 41 | 0 | 5 | 12 | 7 | 0 | 0 | 17 |
| 2013 | 233 | 54 | 23.2 | 50 | 0 | 0 | 5 | 5 | 0 | 28 | 12 |
| 2014 | 458 | 387 | 84.5 | 309 | 0 | 0 | 21 | 13 | 0 | 220 | 55 |
| 2015 | 35 | 25 | 71.4 | 25 | 0 | 0 | 4 | 5 | 0 | 4 | 12 |
| 2016 | 165 | 140 | 84.8 | 122 | 0 | 0 | 0 | 56 | 0 | 1 | 65 |
| 2017 | 185 | 181 | 97.8 | 164 | 0 | 0 | 0 | 2 | 0 | 7 | 155 |
∗The total number of cases in each year is counted based on the epidemiological week.