Background
Methods
Results
Characteristics of outbreaks and measles cases
Age group | Vaccinated cases | Unvaccinated cases | Under the age of vaccination | Unknown | Total | |
---|---|---|---|---|---|---|
< 1 years | 7 (0.9%) | 68 (9.0%) | 155 (20.4%) | 6 (0.8%) | 235 (31.1%) | |
1 to 4 years | 68 (9.0%) | 24 (3.2%) | 0 (0%) | 8 (1.1%) | 100 (13.2%) | |
5 to 9 years | 54 (7.1%) | 16 (2.1%) | 0 (0%) | 18 (2.4%) | 88 (11.6%) | |
10 to 14 years | 40 (5.3%) | 3 (0.4%) | 0 (0%) | 14 (1.8%) | 57 (7.5%) | |
15 to 19 years | 14 (1.8%) | 7 (0.9%) | 0 (0%) | 21 (2.8%) | 42 (5.5%) | |
20 to 24 years | 6 (0.8%) | 3 (0.4%) | 0 (0%) | 12 (1.6%) | 21 (2.8%) | |
25 to 29 years | 2 (0.3%) | 9 (1.2%) | 0 (0%) | 7 (0.9%) | 18 (2.4%) | |
30 to 39 years | 3 (0.4%) | 7 (0.9%) | 0 (0%) | 15 (2.0%) | 25 (3.3%) | |
40 to 59 years | 2 (0.3%) | 6 (0.8%) | 0 (0%) | 17 (2.2%) | 25 (3.3%) | |
60 ≤ years | 0 (0.0%) | 1 (0.1%) | 0 (0%) | 2 (0.3%) | 3 (0.4%) | |
Unknown | 2015–2016 | 0 (0%) | 0 (0.0%) | 0 (0%) | 2 (0.3%) | 2 (0.3%) |
2014a | 16 (2.1%) | 51 (6.7%) | 33 (4.3%) | 42 (5.5%) | 142 (18.7%) | |
TOTAL | 212 (27.9%) | 195 (25.7%) | 188 (24.8%) | 164 (21.6%) | 759 (100%) |
Estimates of R (reproduction number)
Number of cases in chain | 2014 | 2015 | 2016 | 2014–2016 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Linked | Notlinked | Unknown | Linked | Notlinked | Unknown | Linked | Notlinked | Unknown | Linked | Notlinked | Unknown | |
1 | 4 | 8 | 11 | 10 | 22 | 6 | 19 | 2 | 8 | 33 | 32 | 25 |
2 | 1 | 1 | 1 | 3 | 2 | 0 | 3 | 1 | 0 | 7 | 4 | 1 |
3–4 | 2 | 1 | 2 | 5 | 4 | 1 | 1 | 0 | 0 | 8 | 5 | 3 |
5–9 | 5 | 0 | 0 | 8 | 3 | 0 | 0 | 0 | 0 | 13 | 3 | 0 |
10–24 | 4 | 0 | 0 | 5 | 2 | 0 | 1 | 1 | 0 | 10 | 3 | 0 |
25–99 | 0 | 0 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 4 | 2 | 0 |
100+ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Total outbreaks |
16
|
10
|
14
|
35
|
35
|
7
|
24
|
4
|
8
|
75
|
49
|
29
|
Total cases |
109
|
13
|
20
|
362
|
167
|
9
|
40
|
31
|
8
|
511
|
211
|
37
|
Generations of spread | 2014 | 2015 | 2016 | 2014–2016 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Linked | Not linked | Unknown | Linked | Not linked | Unknown | Linked | Not linked | Unknown | Linked | Not linked | Unknown | Total | |
0 | 1 | 1 | 0 | 2 | 1 | 0 | 3 | 1 | 0 |
6
|
3
|
0
|
9
|
1 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
1
|
3
|
1
|
5
|
2 | 4 | 0 | 2 | 6 | 1 | 1 | 1 | 0 | 0 |
11
|
1
|
3
|
15
|
3 | 4 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 |
5
|
2
|
0
|
7
|
4 | 2 | 0 | 0 | 6 | 4 | 0 | 0 | 0 | 0 |
8
|
4
|
0
|
12
|
5 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
2
|
0
|
0
|
2
|
6 | 0 | 0 | 0 | 4 | 0 | 0 | 1 | 0 | 0 |
5
|
0
|
0
|
5
|
7 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 |
2
|
2
|
0
|
4
|
8 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
1
|
1
|
0
|
2
|
9 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
0
|
1
|
0
|
1
|
10 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
1
|
0
|
0
|
1
|
Total |
12
|
2
|
3
|
25
|
13
|
1
|
5
|
2
|
0
|
42
|
17
|
4
|
63
|
Method | 2014 | 2015 | 2016 | 2014–2016 |
---|---|---|---|---|
Proportion of cases imported | 0.76 (95% CI:0.62–0.91) | 0.79 (95% CI:0.71–0.86) | 0.89 (95% CI:0.70–1) | 0.79 (95% CI:0.73–0.86) |
Distribution of chain sizes | 0.72 (95% CI:0.46–0.98) | 0.85 (95% CI:0.65–1) | 0.69 (95% CI:0.51–0.88) | 0.83 (95% CI:0.68–0.97) |
Distribution of chain durations | 0.55 (95% CI:0.20–0.90) | 0.55 (95% CI:0.32–0.78) | 0.30 (95% CI:0.00–0.70) | 0.76 (95% CI:0.54–0.90) |