Key evidence about coronavirus spread is retracted as public health decisions loom Key evidence about coronavirus spread is retracted as public health decisions loom
TUESDAY, FEBRUARY 04, 2020
Last week, a medical journal reported that a business traveler from China had infected at least one person in Germany with coronavirus even though she had no symptoms. It was decisive evidence that the virus could spread undetected and a critical piece of information, one of the key factors U.S. officials weighed when formulating unprecedented quarantines and travel restrictions announced by health officials at the White House.