Customs and Border Protection (CBP) officials prevented a Chinese national from sneaking undeclared biological materials into the United States in late 2018, roughly one year before the COVID-19 pandemic broke out in the Chinese city of Wuhan.
An unnamed Chinese biologist carrying suspected vials of Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS) arrived at the Detroit Metro Airport in November 2018, according to an FBI tactical intelligence report obtained by Yahoo News.
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