TABLE 3.

Detection of pulmonary pathogens in patients evaluated during a severe acute respiratory syndrome (SARS) epidemic

Diagnostic study	Number of patients evaluated	Positive results, n (%)
SARS test* (PCR or serology)	117	85 (73)
Chlamydophila test serology†	84	40 (48)
Mycoplasma test serology†	98	13 (13)
Legionella urine antigen test	84	0 (0)
Influenza serology†	83	0 (0)
Viral culture	48	3‡ (6)

^*Five patients had an autopsy before SARS-associated coronavirus assays were available. Autopsy findings were consistent with SARS;

^†Only serology results showing acute or recent infection were included;

^‡Influenza A was detected in two samples and coxsackie virus was detected in one sample. PCR Polymerase chain reaction