Volume 25, Number 5—May 2019
Research
Recurrent Cholera Outbreaks, Democratic Republic of the Congo, 2008–2017
Table 1
Location |
Period |
No. suspected cases |
No. samples collected (% positive) |
Serotype |
||||||||
Age <5 y |
Age >5 y |
Total |
Age <5 y |
Age >5 y |
Total |
Inaba |
Ogawa |
Hikojima |
||||
DRC |
Jan 2008–Nov 2017 |
66,008 |
204,483 |
270,852 |
2,028 (34) |
7,482 (30) |
9,510 (31) |
2,612 |
274 |
7 |
||
Reported outbreaks* in hot spot provinces | ||||||||||||
North Kivu, South Kivu, Tanganyika | Aug–Nov 2009 | 1,935 | 9,641 | 11,652 | 20 (50) | 189 (33) | 209 (35) | 11 | 63 | 0 | ||
North Kivu, South Kivu, Tanganyika | Aug–Nov 2017 | 6,653 | 14,709 | 21,362 | 5 (20) | 41 (27) | 46 (26) | 5 | 7 | 0 | ||
Haut Katanga | Jan–Mar 2008 | 1,278 | 4,712 | 5,990 | 3 (67) | 16 (50) | 19 (53) | 7 | 0 | 0 | ||
Haut Katanga | Jan–Apr 2013 | 1,935 | 6,504 | 8,441 | 1 (100) | 11 (55) | 12 (58) | 4 | 3 | 0 | ||
Haut Lomami | Jan–Dec 2014 | 1,285 | 3,359 | 4,644 | 0 | 0 | 0 | 0 | 0 | 0 | ||
Ituri |
Jan–Sep 2012 |
828 |
3,868 |
4,696 |
0 |
0 |
0 |
0 |
0 |
0 |
||
Reported outbreaks* in non–hot spot provinces | ||||||||||||
Congo River | Jan 2011–Dec 2012 | 2,809 | 11,878 | 14,686 | 89 (30) | 578 (26) | 667 (27) | 179 | 0 | 0 | ||
Congo River | Sep 2015–2017 | 4,991 | 20,330 | 25,422 | 123 (7) | 633 (19) | 756 (17) | 118 | 10 | 0 | ||
Kwilu, Kwango, Kasai, Lomami, Sankuru | Jul–Nov 2017 | 374 | 2,123 | 2,497 | 0 | 10 (20) | 10 (20) | 1 | 1 | 0 |
*Defined as >1 laboratory-confirmed cholera cases with evidence of local transmission and an increase in the number of suspected cases for >3 consecutive weeks, or weekly incidence >1,000 cases for >3 consecutive weeks for provinces reporting cases all year round, or increasing number of suspect cases for >3 consecutive weeks if no cholera samples were submitted to the national reference laboratory for testing.
1These authors contributed equally to this article.
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