The US CDC has reported research that indicates infections might have occurred in the western United States earlier than previously thought. Photo: EPA-EFE
The US CDC has reported research that indicates infections might have occurred in the western United States earlier than previously thought. Photo: EPA-EFE

American study finds signs of coronavirus in US before China outbreak

  • US CDC says blood samples taken in nine states before cases were reported in Wuhan tested positive for antibodies for the pathogen
  • Results indicate that infections might have happened in the western US earlier than previously thought, scientists say

The US CDC has reported research that indicates infections might have occurred in the western United States earlier than previously thought. Photo: EPA-EFE
The US CDC has reported research that indicates infections might have occurred in the western United States earlier than previously thought. Photo: EPA-EFE
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