Researchers say surge in cars at hospitals may indicate outbreak in fall.
Dramatic spikes in auto traffic around major hospitals in Wuhan last fall suggest the novel coronavirus may have been present and spreading through central China long before the outbreak was first reported to the world, according to a new Harvard Medical School study.
Using techniques similar to those employed by intelligence agencies, the research team behind the study analyzed commercial satellite imagery and “observed a dramatic increase in hospital traffic outside five major Wuhan hospitals beginning late summer and early fall 2019,” according to Dr. John Brownstein, the Harvard Medical professor who led the research.
Brownstein, an ABC News contributor, said the traffic increase also “coincided with” elevated queries on a Chinese internet search for “certain symptoms that would later be determined as closely associated with the novel coronavirus.”
Though Brownstein acknowledged the evidence is circumstantial, he said the study makes for an important new data point in the mystery of COVID-19’s origins.
“Something was happening in October,” said Brownstein, the chief innovation officer at Boston Children’s Hospital and director of the medical center’s Computational Epidemiology Lab. “Clearly, there was some level of social disruption taking place well before what was previously identified as the start of the novel coronavirus pandemic.”
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BREAKING: Satellite imagery showing spikes in auto traffic around major hospitals in Wuhan last fall suggests coronavirus may have been spreading through central China long before it was first reported to the world, a new study says. https://t.co/t7hIyT6qYv
— ABC News (@ABC) June 8, 2020
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