Table 1. Influenza isolates collected in Cambodia by type and subtype in 2009-2011.
| Influenza Type | Subtype of Influenza A | WHOCC, Melbournea | |||||||||
| Year | N# of specimens tested | N# of positives (%) | A (%) | B (%) | H1N1 (%) | H3N2 (%) | H5N1 (%) | H1N1pdmb (%) | H1N1pdmb | H3N2 | IBc |
| 2009 | 4601 | 747 (16.2) | 653 (87.4) | 94 (12.6) | 2 (0.3) | 266 (40.7) | 1 (0.2) | 384 (58.8) | 10 | 15 | 15 |
| 2010 | 3507 | 446 (12.7) | 343 (76.9) | 103 (23.1) | 0 (0) | 155 (45.2) | 1 (0.3) | 187 (54.5) | 31 | 17 | 41 |
| 2011 | 2705 | 491 (18.2) | 173 (35.2) | 318 (64.8) | 0 (0) | 44 (25.4) | 8 (4.6) | 121 (70) | 36 | 14 | 72 |
a
Specimens analyzed by the WHO Collaborating Center in Melbourne from 2009 to 2011.
b
H1N1pdm09.
c
Influenza B.