A sample of frozen chicken wings imported into the southern Chinese city of Shenzhen from Brazil has tested positive for coronavirus, the city government said in a notice on Thursday.
Local disease control centres tested a surface sample taken from the chicken wings as part of routine screenings carried out on meat and seafood imports since June, when a new outbreak in Beijing was linked to the city’s Xinfadi seafood market.
Shenzhen’s health authorities traced and tested everyone who might have come into contact with potentially contaminated food products, and also tested food products stored near the infected batch. All the results were negative, the notice said.
The Brazilian embassy in Beijing did not immediately respond to a request for comment.
The Shenzhen Epidemic Prevention and Control Headquarters said the public needed to remain cautious when it comes to imported meat and seafood, and must take precautions in order to reduce infection risks.
China reported on Wednesday that coronavirus had been found on the packaging of shrimps imported from Ecuador, and several other cities have reported cases of contaminated seafood.
In addition to screening all meat and seafood containers coming into major ports in recent months, China has suspended some meat imports from various origins, including Brazil, since mid-June.
The first cluster of Covid-19 cases was also linked to the Huanan seafood market in the city of Wuhan. Initial studies suggested the virus originated in animal products on sale at the market.
Experts say that while the SARS-CoV-2 virus is capable of infiltrating food or food packaging materials, it cannot reproduce and cannot survive at room temperature for long.
However, Li Fengqin, who heads a microbiology lab at the China National Centre for Food Safety Risk Assessment told reporters in June that contaminated food put in cold storage could be a potential source of transmission.
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