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Severe acute respiratory syndrome (SARS)

What is the origin of Severe acute respiratory syndrome (SARS) ?

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Severe acute respiratory syndrome (SARS) is a viral respiratory illness that was recognized as a global threat in March 2003, after first appearing in Southern China in November 2002. It is an acute respiratory illness caused by infection with the SARS virus. Fever followed by a rapidly progressive respiratory compromise is the key complex of signs and symptoms, which also include chills, muscular aches, headache and loss of appetite. Mortality, initially believed to be around 3 %, may well be as high as 15 %. It was successfully contained in less than four months. On 5 July 2003, WHO reported that the last human chain of transmission of SARS had been broken.

SARS is caused by a previously unrecognized coronavirus, called SARS-associated coronavirus (SARS-CoV). It was identified in March 2003. It is possible that other infectious agents might have a role in some cases of SARS. Transmission of the SARS virus can be extremely efficient. The virus is predominantly spread by droplets or by direct and indirect contact. Shedding in feces and urine also occurs. Medical personnel, physicians, nurses, and hospital workers are among those commonly infected. In the absence of effective drugs or a vaccine for SARS, control of this disease relies on ...

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The solution discusses Severe acute respiratory syndrome (SARS).