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.
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.
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