Volume 26, Number 9—September 2020
Dispatch
Sequence Type Changes Associated with Decreasing Macrolide-Resistant Mycoplasma pneumoniae, Japan
Table
Yearly changes in macrolide-susceptible and macrolide-resistant Mycoplasma pneumoniae, Japan, 2002–2019*
Macrolide susceptibility† | 2002–2005 | 2006–2009 | 2010–2013 | 2015–2016 | 2018–2019 | Total |
---|---|---|---|---|---|---|
Susceptible | 241 (93.1) | 161 (62.6) | 45 (13.8) | 86 (43.7) | 47 (88.7) | 580 |
Resistant | 18 (6.9) | 96 (37.4) | 281 (86.2) | 111 (56.3) | 6 (11.3) | 512 |
Total | 259 | 257 | 326 | 197 | 53 | 1,092 |
*Values are no. (%).
†Macrolide susceptibility was distinguished on the basis of a mutation in the 23S rRNA gene and results of susceptibility measurements.