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Volume 21, Number 1—January 2015
Dispatch

Association of Melioidosis Incidence with Rainfall and Humidity, Singapore, 2003–2012

Xiang Liu1, Long Pang1, Siew Hoon Sim, Kee Tai Goh, Sharada Ravikumar, Mar Soe Win, Gladys Tan, Alex Richard Cook, Dale Fisher, and Louis Yi Ann ChaiComments to Author 
Author affiliations: National University Health System University Medicine Cluster, Singapore (X. Liu, S. Ravikumar, M.S. Win, D. Fisher, L.Y.A. Chai); National University of Singapore and National University Health System Saw Swee Hock School of Public Health, Singapore (L. Pang, K.T. Goh, A.R. Cook); Defence Medical and Environmental Research Institute, Singapore (S.H. Sim, G. Tan); Ministry of Health, Singapore (K.T. Goh); National University of Singapore Yale-NUS College, Singapore (A.R. Cook); National University of Singapore Yong Loo Lin School of Medicine, Singapore (D. Fisher)

Main Article

Table 2

Temporal association of rainfall, humidity, and temperature with melioidosis cases, Singapore, 2003–2012*

Category No lag
 1-week lag
 2-week lag
Hazard ratio (95% CI) p value Hazard ratio (95% CI) p value Hazard ratio (95% CI) p value
Rainfall 1.20 (0.868–1.65) 0.274 1.40 (1.03–1.90) 0.0345 1.34 (0.981–1.83) 0.0667
Humidity 1.01 (0.985–1.04) 0.436 1.02 (0.997–1.05) 0.0806 1.03 (1.00–1.05) 0.0382
Temperature 1.01 (0.910–1.13) 0.814 0.949 (0.851–1.06) 0.351 0.928 (0.832–1.03) 0.178

*Association between melioidosis cases and weather conditions during the week of disease onset (no lag), 1 week before disease onset (1-week lag), and 2 weeks before disease onset (2-week lag). Significance is indicated by p<0.05.

Main Article

1These authors contributed equally to this article.

Page created: December 19, 2014
Page updated: December 19, 2014
Page reviewed: December 19, 2014
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