The allegation comes after the surface of frozen chicken wings imported into China from Brazil tested positive for COVID-19.
Samples of the outer packaging of frozen Ecuadorian shrimp sold in Xian also tested positive for the virus.
It has been reported that other samples of the same cargo tested negative, as did every person who came into contact with the products.
According to Reuters, The Shenzhen Epidemic Prevention and Control Headquarters said the public 'needed to take precautions to reduce infection risks from imported meat and seafood'.
'Reduce the risk'
Centers for Disease Control and Prevention (CDC) says there is currently 'no evidence to suggest that handling food or consuming food is associated with COVID-19'.
The organization advises that people wash their hands with soap and water for at least 20 seconds after 'shopping, handling food packages, or before preparing or eating food'.
"If soap and water are not available, use a hand sanitizer that contains at least 60 percent alcohol. Cover all surfaces of your hands and rub them together until they feel dry," CDC said.
"Remember, it is always important to follow good food safety practices to reduce the risk of illness from common foodborne pathogens."