TABLE 1.
Penicillin susceptibility of 1320 strains of Streptococcus pneumoniae collected from across Canada between September 1994 and May 1995, and of 1044 strains in 1996
| Province | Penicillin susceptibility category* (%) | |||
|---|---|---|---|---|
| Intermediate | Resistant | |||
| 1994/95 | 1996 | 1994/95 | 1996 | |
| Alberta/British Columbia | 8 (5.9) | 18 (16) | 1 (0.7) | 4 (3.5) |
| North West Territories | 8 (9.6) | 6 (10.5) | 3 (3.6) | 2 (3.5) |
| Saskatchewan | 25 (18) | 12 (14) | 3 (2.2) | 6 (7.1) |
| Manitoba | 4 (5.3) | 12 (7.1) | 1 (1.3) | 9 (5.4) |
| Ontario | 30 (4.6) | 39 (8.4) | 15 (2.3) | 21 (4.5) |
| Quebec | 5 (6.5) | 2 (2.1) | 4 (5.2) | 3 (3.2) |
| Maritime* | 5 (3.2) | 4 (6.3) | 1 (0.6) | 1 (1.6) |
| Total | 85 (6.4) | 93 (8.9) | 28 (2.1) | 46 (4.4) |
*
Maritime includes Newfoundland and Labrador, Nova Scotia, Prince Edward Island and New Brunswick. Intermediate Penicillin-intermediate minimum inhibitory concentration 0.1 to 1.0 mg/L; Resistant Resistant minimum inhibitory concentration 2.0 mg/L or greater