<unk>  produces flu-like symptoms and may include fever, muscle pain, lethargy, cough, sore throat, and other nonspecific symptoms. The only symptom common to all patients appears to be a fever above .<unk>  may eventually lead to shortness of breath and pneumonia; either direct viral pneumonia or secondary bacterial pneumonia. The average incubation period for<unk>  is 4–6 days, although rarely it could be as short as 1 day or as long as 14 days.
SARS
E-med
SCoRS
ICECI
SIRS
DICOM
ICES
PAMI