“…Atypical clinical manifestations of SARS, which are not uncommonly encountered in hosts with comorbidities and/ or underlying immunocompromise, make recognition of SARS difficult for medical professionals inexperienced with this newly emerging disease. [8][9][10][11][12] In this series of patients, a body temperature of less than 38ЊC, which failed to meet the WHO criteria for SARS, was observed in 1 patient (patient 4); leukocytosis, instead of a normal peripheral white cell count or leukopenia, which have been reported in a large number of patients with SARS, 13,14 was documented in 3 patients (patients 4, 10, and 18). The finding of additional consolidation on chest radiographs of these vulnerable patients with copious purulent respiratory excretion was more consistent with nosocomial bacterial pneumonia.…”