30. SARS is a severe lower respiratory tract infection, recognised in a
SARS came to the world’s attention in early 2003 when WHO
declared a global public health alert in response to a severe
respiratory illness due to an unidentified communicable pathogen.
The pathogen emerged out of southern China, creating a local
outbreak of atypical pneumonia. Subsequent infection of
international travellers resulted in the importation of possible SARS
cases to 29 other countries around the world.
WHO declared the outbreak interrupted on 5 July 2003, at which
time there had been more than 8,400 cases and approximately 900