Table 2. Temporal distribution of receipt ofYersinia pseudotuberculosis blood isolates, France.
| Period | Monthly isolates* |
Annual isolates | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | ||
| 1988–89 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | 6 |
| 1989–90 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 7 |
| 1990–91 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 7 |
| 1991–92 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 4 |
| 1992–93 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 |
| 1993–94 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 0 | 0 | 5 |
| 1994–95 | 0 | 0 | 0 | 0 | 1 | 3 | 1 | 2 | 0 | 0 | 0 | 1 | 8 |
| 1995–96 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 2 | 0 | 1 | 7 |
| 1996–97 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1997–98 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 1998–99 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2 |
| 1999–00 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 2 | 1 | 1 | 8 |
| 2000–01 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 4 |
| 2001–02 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 |
| 2002–03 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| 2003–04 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 1 | 0 | 2 | 0 | 0 | 8 |
| 2004–05† | 0 | 0 | 0 | 0 | 4 | 4 | 5 | 5 | 0 | 0 | 0 | 0 | 18 |
| 2005–06 |
0 |
0 |
0 |
0 |
0 |
2 |
2 |
0 |
0 |
0 |
0 |
0 |
4 |
| 1988–2006‡ | 0 | 1 (0.06)§ | 2 (0.12) | 3 (0.18) | 9 (0.53) | 16 (0.94) | 19 (1.12) | 11 (0.65) | 5 (0.29) | 10 (0.59) | 2 (0.12) | 4 (0.24) | 82 (4.82) |
*Received by the French Yersinia National Reference Laboratory since September 1988. To encompass the whole cold season, isolates are presented in 12-month periods from September to August. †Period of increased number of cases. ‡Excludes 2004–05. §Numbers in parentheses are mean monthly value over the 17 years in which case numbers were not increased.