Investigators from the World Health Organization (WHO) looking into the origins of coronavirus in China have discovered signs the outbreak was much wider in Wuhan in December 2019 than previously thought, and are urgently seeking access to hundreds of thousands of blood samples from the city that China has not so far let them examine.
origin of the virus.
The researcher noted that they discovered there were more than a dozen strains of the virus in Wuhan as early as December 2019
