Epidemiological characteristics in Hong Kong, Beijing and Taiwan. (A) Epidemic curve for Hong Kong, Beijing (based on our data and those from a Beijing dataset ), and Taiwan. B-D*: Time from onset to admission distribution for each 2-week period and onset-to-admission distribution for (B) Hong Kong, (C) Beijing and (D) Taiwan. * Patients admitted before symptom onset and periods with fewer than 10 cases were excluded.
Lau et al. BMC Infectious Diseases 2010 10:50 doi:10.1186/1471-2334-10-50