BEIJING, Dec. 17 (Xinhuanet) -- The Chinese mainland remains on high alert against a possible return of SARS (severe acute respiratory syndrome).

    A Ministry of Health spokesman made the remark here Wednesday, following news that a Taiwan researcher had contracted the disease.

    He said no confirmed or suspected SARS cases had been found so far on the Chinese mainland.

    The ministry learned from the Internet that a researcher in Taiwan had been infected with SARS, and is now undergoing medical treatment.

    The ministry is keeping a close eye on the SARS situation in Taiwan, the spokesman said. Enditem