Volume 22, Number 10—October 2016
Dispatch
Increase in Meningococcal Serogroup W Disease, Victoria, Australia, 2013–2015
Table
Characteristics of 22 patient with invasive meningococcal serogroup W disease, Victoria, Australia, January 1, 2013–December 31, 2015*
Characteristic | All serogroup W | W:P1.5,2:F1-1:ST11† | Other ST† |
---|---|---|---|
Median age (range), IQR, y |
56 y (<1 mo–89 y), 23–72 y |
56 y (<1 mo–85 y), 25–72 y |
45 y (<1 mo–89 y), 1–84 y |
Indigenous status | |||
Aboriginal or Torres Strait Islander | 0 | 0 | 0 |
Non-Aboriginal | 21 (95) | 16 (100) | 5 (100) |
Unknown |
1 (5) |
0 |
0 |
Manifestation with petechial rash |
2 (10) |
1 (6) |
0 |
Manifestation | |||
Bacteremia | 12 (55) | 8 (50) | 3 (60) |
Septic arthritis | 4 (18) | 3 (19) | 1 (20) |
Meningitis |
1 (5) |
0 |
1 (20) |
Meningitis and bacteremia | 2 (9) | 2 (12) | 0 |
Pneumonia | 2 (9) | 2 (12) | 0 |
Epiglotittis |
1 (5) |
1 (6) |
0 |
Admission to intensive care unit | 7 (32) | 6 (38) | 0 |
Death |
1 (5) |
0 |
0 |
Total | 22 | 16 | 5 |
*Values are no. (%) unless otherwise indicated. IQR, interquartile range; ST, sequence type.
†Excludes 1 patient for whom ST was not determined.
1Current affiliation: Victorian Infectious Diseases Reference Laboratory, Melbourne, Victoria, Australia.