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Antibodies are produced by the immune system when the body is invaded by a virus. Scientists hope to use the test to estimate the extent of COVID-19 infections, because there is a report that 30 to 50 percent of infected populations have zero or minor symptoms, and there has been a shortage of tests in many places.

Anti-pollution campaign steps up to combat adverse weather

Ant Group, which operates the mobile payment service Alipay, said on Monday that it has started discussions for a concurrent listing of its shares on the Shanghai and Hong Kong bourses.

An?outage of Amazon Web Services’?Simple Storage Service (S3) impacted sites across the internet Tuesday. Continue reading for our story and updates as events unfolded.

Another, who was aged 17 at the time, was released in 2015 after serving three years in a reform facility - the maximum term possible for a juvenile in India.