China stepping up virus testing on imported food packaging

Beef products from New Zealand with a QR-code linked to its coronavirus test results are displayed at a supermarket in Beijing, Tuesday, Nov. 24, 2020. China has stirred controversy with claims it has detected the coronavirus on packages of imported frozen food. (AP Photo/Ng Han Guan)

A worker wearing a mask handles meat products including beef from New Zealand packaged with a QR-code linked to its COVID test results at a supermarket in Beijing, Tuesday, Nov. 24, 2020. China has stirred controversy with claims it has detected the coronavirus on packages of imported frozen food. (AP Photo/Ng Han Guan)

Imported frozen shrimps are displayed at a supermarket in Beijing, Friday, Nov. 20, 2020. China has stirred controversy with claims it has detected the coronavirus on packages of imported frozen food. (AP Photo/Ng Han Guan)

A worker wearing a mask and gloves stand near beef products from New Zealand packaged with a QR-code linked to its coronavirus test results displayed at a supermarket in Beijing, Tuesday, Nov. 24, 2020. China has stirred controversy with claims it has detected the coronavirus on packages of imported frozen food. (AP Photo/Ng Han Guan)