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Japanese researchers have developed a blood test they say appears to serve as an early warning system for serious cases of Covid-19, and deployed 500 prototype machines to trial its effectiveness nationwide, Reuters reports.
Researchers from the National Center for Global Health and Medicine initially tested for five compounds in the blood of 28 patients, finding that low readings of the serum CCL17 were predictive of serious coronavirus infections.
The results suggested that early tests for the serum could help determine which patients will need hospitalisation, they said in a paper published this month.
