Virologists have warned that a previously underestimated virus may have infected as many as 9.4 million people, with most cases going undetected, according to SciTechDaily.
The researchers attribute the missed cases largely to asymptomatic transmission, which can allow infections to spread unnoticed. Underdetection complicates efforts to gauge the true scale of an outbreak.
The findings raise concern that the virus’s reach has been substantially undercounted. The figure reflects the scientists’ estimate based on their analysis.
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Sources:
Hidden Virus May Have Infected 9.4 Million People – Scientists Say We’ve Missed Most Cases