Proportion of cases showing different symptoms on presentation in Hong Kong, Beijing (Hospital 302 only†) and Taiwan. * Labels on the vertical axis have been jittered for better presentation. † Detailed symptom data were missing for Hospital 309 patients. ‡ Malaise and rigor were not documented in Taiwan.
Lau et al. BMC Infectious Diseases 2010 10:50 doi:10.1186/1471-2334-10-50