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Volume 22, Number 5—May 2016

Increased Rotavirus Prevalence in Diarrheal Outbreak Precipitated by Localized Flooding, Solomon Islands, 2014

Forrest K. Jones, Albert I. Ko, Chris Becha, Cynthia Joshua, Jennie Musto, Sarah Thomas, Axelle Ronsse, Carl D. Kirkwood, Alison Sio, Audrey Aumua, and Eric J. NillesComments to Author 
Author affiliations: Yale School of Public Health, New Haven, Connecticut, USA (F.K. Jones, A.I. Ko); Fundação Oswaldo Cruz, Salvador, Brazil (A.I. Ko); Solomon Islands Ministry of Health and Medical Services, Honiara, Solomon Islands (C. Becha, C. Joshua, A. Sio); World Health Organization, Honiara (C. Joshua, J. Musto, A. Aumua); World Health Organization, Suva, Fiji (J. Musto, A. Ronsse, E.J. Nilles); Murdoch Childrens Research Institute, Royal Children's Hospital, Parkville, Victoria, Australia (S. Thomas, C.D. Kirkwood); La Trobe University, Melbourne, Victoria, Australia. (C.D. Kirkwood)

Main Article

Table 1

Comparison of diarrhea case counts before, during, and after outbreak linked to localized flooding, Solomon Islands, 2013–2015*

Facility type
No. cases (mean weekly cases)
Rate ratio (95% CI)
National Referral Hospital Hospital Honiara 470 (36.2) 1969 (140.6) 347 (24.8) 4.65 (3.24–6.75)
Kukum Clinic Honiara 290 (20.7) 675 (48.2) 256 (18.3) 2.47 (1.67–3.70)
Rove Clinic Honiara 288 (20.6) 487 (34.8) 264 (18.9) 1.76 (1.18–2.66)
Good Samaritan Hospital Hospital Guadalcanal NA 812 (116.0) 253 (18.1) 6.41 (4.43–9.42)
Kilu’ufi Hospital Malaita 248 (17.7) 627 (44.8) 112 (8.6) 3.36 (2.17–5.29)
Taro Hospital Choiseul 4 (0.3) 48 (3.4) 31 (2.2) 2.74 (1.18–6.71)
72 (5.1)
427 (30.5)
140 (10.8)
3.88 (2.37–6.52)

*Source: Pacific Syndromic Surveillance System (PSSS) database. The rate ratio was calculated by comparing rates during the outbreak in 2014 and rates during years without outbreaks (2013 and 2015) and using a negative binomial regression. NA, not available.

†One PSSS site in Honiara, Mataniko Clinic, is not shown because the clinic was partially destroyed by the flood and was not operational during the peak of the outbreak.

‡The city of Honiara is the capital of the Solomon Islands and is located in Guadalcanal Province; the remaining locations are provinces of the Solomon Islands.

§April 8–July 14, 2013 (14 weeks).

¶April 7–July 13, 2014 (14 weeks).

#April 6–July 12, 2015 (14 weeks).

Main Article

Page created: April 13, 2016
Page updated: April 13, 2016
Page reviewed: April 13, 2016
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