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Volume 15, Number 5—May 2009
Letter

Chikungunya Outbreak, Singapore, 2008

Yee S. LeoComments to Author , Angela L.P. Chow, Li Kiang TanComments to Author , David C. Lye, Li Lin, and Lee C. Ng
Author affiliations: Tan Tock Seng Hospital, Singapore (Y.S. Leo, A.L.P. Chow, D.C. Lye, L. Lin); National Environment Agency, Singapore (L.K. Tan, L.C. Ng); References

Main Article

Table

Daily trend of fever and viremia in 10 hospitalized chikungunya patients, Singapore (www.cdc.gov/EID/content/15/5/836-T.htm)

Patient no. Signs and symptoms* Fever† and chikungunya test results (viral load‡), by day of fever
–1 0 1 2 3 4 5 6 7 8 9 10
1 F, A, B, D NA 
+ 
(442.7) 37.7§
+ 
(3.5) 37.0
– 37.0
–
2 F, A, H, RE NA
+ 
(5,191.4) 39.6§
+ (3,655.2) 38.4
+ 
(119.1) 38.0 
+ 
(1.3) 37.6
– 38.5 38.0 37.4
3 F, A, R, H NA
+ 
(155.5) 39.3§
+ 
(385.2) 37.0
+
(3.7) 37.2
+
(0.4) 37.3
– 37.2
–
4 F, A NA
+ 
(0.8) 40.8§
+ (14,605.3) 39.9
+
(14,170.2) 38.2 
+ (1,007.8) 37.6
+
(4.0) 37.6
+
(0.2) 37.4
– 37.0
5 F, A NA 
+ 
(371.4) 37.0§
+
(25.9) 37.8
+ 
(0.4) 36.8
– 36.6
–
6 F, D, R, M NA
+ 
(524.4) 37.6§
+
(0.7) 38.6 
+ 
(0.4) 37.2
– 36.8
–
7 F, A, H, EP NA
+ 
(18.8) 38.3§
+
(7.2) 37.0 
+ 
(0.4) 37.0
–
8 F, A NA
+ (36.6) 37.5§ 37.6
+ 
(0.3) 37.7
– 36.4
9 F, A, N NA
+
(406.7) 38.4§
– 37.8 37.1 37.1
10 F, A, M 39.2§ 36.7 
+ 
(8.5) 36.8
+ 
(3.6) 37.1
– 37.4
– 36.8

*At hospitalization. F, fever; A, arthralgia; B, backache; D, diarrhea; H, headache; RE, red eyes; R, rash; M, myalgia; EP, eye pain; N, nausea.
†Day 0, day of fever onset. Maximum temperature expressed in ºC. Light shading indicates self-reported fever; dark shading indicates documented fever (maximum temperature >37.5 ºC). NA, not available.
‡Viral load expressed as × 103 pfu/mL. Reverse transcription–PCR test results for chikungunya: +, positive; –, negative.
§Indicates day patient was hospitalized.

Main Article

Page created: December 16, 2010
Page updated: December 16, 2010
Page reviewed: December 16, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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