
HONG KONG - April 3: A tourist rides alone on the 'Peak' bus as she wears a mask to protect her from the Severe Acute Respitory Syndrome (SARS) virus in Hong Kong, April 3, 2003. The World Health Organisation has advised people not to travel to Hong Kong due to the atypical pneumonia. More 708 people infected with the virus with 17 deaths so far. (Photo by Christian Keenan/Getty Images)
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