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Volume 18, Number 10—October 2012

Scarlet Fever Epidemic, Hong Kong, 2011

Emma Y.Y. LukComments to Author , Janice Y.C. Lo, Amy Z.L. Li, Michael C.K. Lau, Terence K.M. Cheung, Alice Y.M. Wong, Monica M.H. Wong, Christine W. Wong, Shuk-kwan Chuang, and Thomas Tsang
Author affiliations: Centre for Health Protection, Hong Kong, People’s Republic of China

Main Article

Table 2

Clinical characteristics of patients with scarlet fever who had medical complications, Hong Kong, January–July 2011*

Characteristic Case-patient no.
1 2 3 4 5 6 7 8 9
Patient age, y/sex 14/M M/11 8/F 7/F 5/M 6/M 3/M 2/F 12/M
Month of illness onset April April April May June June July July July
Days from symptom onset to hospital admission 1 4 7 7 4 10 1 1 0
Complications TSS Parapharyngeal abscess TSS TSS TSS Septicemia TSS TSS Septicemia
Intensive care unit admission No No Yes Yes Yes Yes No Yes No
Concomitant chickenpox infection No No No No Yes No Yes No Yes
Recovered Yes Yes Yes No (died) No (died) Yes Yes Yes Yes
S. pyogenes isolates Throat Throat None Blood, lower limb blister fluid Blood and pus Blood Throat Throat Blood and pus
emm type NA NA NA emm12 emm1 emm12 NA NA emm12
48-kb insert NA NA NA + + + NA NA
Virulence geneprofile (speA¸speB, speC, speF, speH, ssa) NA NA NA −++−++ ++++−+ −+++++ NA NA − + + + + −

*All case-patients were healthy before infection. TSS, toxic shock syndrome; NA, not available; +, positive; –, negative.

Main Article

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Page updated: January 22, 2013
Page reviewed: January 22, 2013
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