GENEVA, Jan. 12 (Xinhua) -- The public health risks resulting from the COVID-19 virus remain high globally, with the virus circulating in all countries, a senior expert from the World Health Organization (WHO) said here on Friday.
According to estimates based on wastewater analysis, the actual circulation of COVID-19 is two to 19 times higher than the number of reported cases, Maria van Kerkhove, the interim director of WHO responsible for epidemic and pandemic preparedness and prevention, told a special briefing in Geneva.
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