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In an early-release research letter in the journal Emerging Infectious Diseases, researchers said they found that 9 people who were sitting near one another at a restaurant in China in January got COVID-19, the illness caused by the coronavirus, and that it likely spread because of the restaurant's air conditioner.The authors advised restaurants to increase…

Scientists in the UK believe that medical detection dogs could be able to help identify coronavirus cases in humans.Medical detection dogs are already being used to identify cancer, malaria, and Parkinson's.Academics at universities in London and Durham are exploring whether the dogs' abilities extend to detecting the virus.National health systems have limited capacity to carry…

The World Health Organization warned that there is no evidence antibody tests can show if a person who was previously affected by the novel coronavirus is immune to reinfection.Antibodies can't guarantee long-term immunity from the virus for recovered patients or former asymptomatic carriers, officials said Friday.The concerns over the lack of immunity after infection come…

As countries around the world grapple with the coronavirus pandemic, the richest ZIP code in the US — a private island off the coast of Miami — has snapped up 1,800 antibody tests for its residents and staff.Business Insider talked to Fisher Island staff and residents, parsed through reports from news outlets, and viewed letters…

New tests can identify people who have been infected and recovered from COVID-19 by searching for coronavirus antibodies in the blood. Researchers from Stanford University recently tested 3,300 Californians in Santa Clara county for antibodies. Their results suggest that the number of people who have been infected in the county is between 50 and 85 times higher…