Health officials have categorized SARS into three known outbreaks : the worldwide epidemic of more than 8,000 cases that began in November 2002 and ended in June 2003 ; the second outbreak from December 2003 through January 2004 that involved a milder strain of the virus and caused only four cases ; and the nine cases traced to laboratory accidents in China , Taiwan and Singapore between March and May of last year .
Taiwan /location/administrative_division/country China
China /location/country/administrative_divisions Taiwan
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/location/administrative_division/country
China
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