Study: Rapid Coronavirus Spread In China Linked To People With Few Or No Symptoms Unlisted Video

China enacted its travel ban on January 23rd, in an effort to get its arms around the spread of COVID-19.
But according to Business Insider, a new study claims 86% of coronavirus infections in China went undiagnosed before then.
Those who don't get diagnosed often have mild or even non-existent symptoms.
The study says people who hadn't been diagnosed with the virus were the source of 79% of reported cases there.