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Macrolide resistance of B. pertussis by MLVA type before and after 2020a
| MT27 | MT28 | MT195 | MT60 | Others | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| S | R | S | R | S | R | S | R | S | R | |
| Pre-2020 | 12 (24%) | 0 | 8 (16%) | 0 | 0 | 24 (48%) | 0 | 0 | 3 (6%) | 3 (6%) |
| Post-2020 | 1 (0.78%) | 2 (1.56%) | 0 | 79 (61.72%) | 0 | 2 (1.56%) | 0 | 22 (17.19%) | 2 (1.56%) | 20 (15.63%) |
S, susceptible; R, resistance.
