Robert HARNEIS -TDO- (FRANCE)- According to the Chinese news agency Xinhua, packaging samples from a batch of imported frozen pork in the central Chinese city of Zhengzhou tested positive for novel coronavirus.

Local health authorities reported that 24 tonnes of frozen pork, imported from Argentina, were delivered to the capital of the Chinese Province of Henan by truck from Qingdao Port in east China's Shandong Province. Five of 15 samples tested positive for the virus, said the Zhengzhou center for disease control and prevention.

None of the goods had been distributed. Local authorities have sealed the goods, disinfected the vehicles and surrounding areas, quarantined those who had contact with the contaminated items, and reverse-traced the products.

Following an epidemiological investigation, none of the individuals who had contact with the products had any symptoms such as a cough or fever, and nucleic acid test results were all negative.

Scientists first believed the virus couldn't survive on surfaces for more than 3 days - now, research suggests, it may be upwards of 4 weeks.

Recent research taken from cancer patient blood samples in Italy has also revealed that the virus may have been infecting patients there as long ago as September 2019.

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