TOKYO -- Purchases of PCR tests in China's Hubei Province surged months before the first official reports of a novel coronavirus case there, according to a report from researchers in the U.S., the U.K. and Australia.
PCR, or polymerase chain reaction, tests are used to detect the presence of a particular genetic sequence in a sample, and they have applications beyond COVID-19 testing. But the report alleges the unusual uptick likely signals awareness of a new disease spreading in and around Wuhan, the capital of Hubei Province.
"We believe the increased spending in May suggests this as the earliest start date for possible infection," the report said. The involvement of these groups provides evidence that"the increase of purchasing was most likely linked to the emergence of COVID-19 in Hubei Province in 2019," the report said."We assess with high confidence that the pandemic began much earlier than China informed the [World Health Organization] about COVID-19."
"This report could provide an opportunity for countries to press China for information again," Igata said.
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