Health care workers greet people as they arrive at a temporary drive-through COVID-19 testing site at East Orange District Park on October 1, 2020 in Orlando, Florida.
Credit: Paul Hennessy/NurPhoto via Getty Images
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10% of the world may have been infected by Covid-19, WHO official says
The novel coronavirus may have infected about one in 10 people globally, meaning the majority of the world remains vulnerable to Covid-19, a World Health Organization official has said.