China Has A Theory About Its New COVID-19 Cases. Many Scientists Are Skeptical

China now reports few to none domestically transmitted COVID-19 cases — only 12 cases were reported on Dec. 15. But a flurry of recent cases has Chinese public health officials worried. They claim that the cases stemmed from workers who had contact with imported food and packages. Beijing has now banned nearly 100 suppliers from 20 countries and at one point recommended travel restrictions in at least two cities where frozen food handlers contracted the coronavirus. To read the full story.