Severe acute respiratory syndrome (SARS) Symptoms, Causes and recent developments
Lack of information about SARS has added greatly to people's fear of the disease. When the first cases of SARS were reported back in mid-March, not only were scientists unsure where SARS came from, they also knew very little about what has caused it, how it was spread or what differentiated those who are able to resist the disease from those who succumbed to it.