Table 3.
Temporal and geographical distribution of patients suspected of pertussis in Perú during 2012
| PCR-negative n = 649 (%) | PCR-positive n = 191 (%) | |
|---|---|---|
| Monthly pattern | ||
| May | 29 (4.5) | 6 (3.1) |
| June | 43 (6.6) | 25 (13.1) |
| July | 129 (19.9) | 45 (23.6) |
| August | 139 (21.4) | 37 (19.4) |
| September | 139 (21.4) | 34 (17.8) |
| October | 129 (19.9) | 18 (9.4) |
| November | 38 (5.9) | 25 (13.1) |
| December | 3 (0.5) | 1 (0.5) |
| Regional distribution | ||
| Ucayali | 220 (33.9) | 59 (30.9) |
| Ayacucho | 201 (31.0) | 33 (17.3) |
| Loreto | 81 (12.5) | 43 (22.5) |
| Lima | 36 (5.5) | 22 (11.5) |
| Tacna | 56 (8.6) | 17 (8.9) |
| Cajamarca | 43 (6.6) | 8 (4.2) |
| Huánuco | 10 (1.5) | 5 (2.6) |
| Huancavelica | 2 (0.3) | 2 (1.0) |
| Piura | 0 (0) | 2 (1.0) |