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14% of virus patients discharged in China's Guangdong re-test positive

In this Feb. 21, 2020 photo, a doctor in a protective suit checks patients at a temporary hospital at Tazihu Gymnasium in Wuhan in central China's Hubei province. (Chinatopix via AP)

BEIJING (Kyodo) -- Fourteen percent of patients infected with the new coronavirus and discharged from the hospital in the southern Chinese province of Guangdong after recovering have tested positive again, according to local health authorities.

    The findings suggest that people who recovered from COVID-19 may have to be monitored for an extended period even after they have tested negative for the virus twice as stipulated under the health authorities' guidelines and released from the hospital.

    There is no scientific conclusion behind why some patients tested positive after recovering from the illness, said Song Tie, deputy director of the Guangdong Center for Disease Control and Prevention, during a press briefing on Tuesday.

    But based on a preliminary assessment, experts believe the patients had not yet fully recovered from lung infections when they were released, Song added. Similar cases have been reported in other regions.

    Guidelines from the National Health Commission stipulate that patients must test negative for the virus twice, at least a day apart, before being discharged.

    While no one who had close contact with these patients has tested positive, the province is preparing to put discharged patients who tested positive after their recovery under concentrated observation, and require hospitals to keep all discharged patients under observation for two weeks, Song said.

    Guangdong has reported that as of the end of Tuesday, a total of 1,347 confirmed infections and seven deaths, making it the second-worst-hit province after Hubei.

    China's health authorities said Wednesday that the number of deaths in mainland China from virus infections has risen by 52 to 2,715, with confirmed cases of infection reaching 78,064.

    All new deaths in the 24 hours to the end of Tuesday occurred in the central province of Hubei, the epicenter of the public health crisis, according to the National Health Commission. The number of new infections in Hubei stood at 401, down from 499 a day earlier.

    With 406 new cases confirmed, Tuesday marked the seventh consecutive day that China's daily number of new infections remained under 1,000 and the eighth consecutive day that newly recovered patients outnumbered infected ones. So far, China has recorded a total of 29,745 patients as having recovered from the virus.

    A few more Chinese regions lowered their public health emergency alert over the virus on Wednesday, state-run media reported.

    The southwestern province of Sichuan and northern autonomous regions of Inner Mongolia and Xinjiang joined about a dozen regions that had already downgraded their alert levels after President Xi Jinping encouraged low- and medium-risk regions on Monday to "fully and quickly" restore production.

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