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Three patients at Children’s Hospital Los Angeles who displayed symptoms similar to Kawasaki disease, a rare condition that can weaken blood vessels in children, have tested positive for antibodies against the novel coronavirus, indicating a potential link between the little-understood syndrome and the virus, according to a doctor who studies Kawasaki disease.Recently, doctors in Los…

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Physicians in New York City, which still leads the nation in reported COVID-19 cases, are reporting significantly more acute, large vessel strokes in young adults infected with COVID-19. In a rapid communication to be published online April 29 in the New England…

Image copyright CLAUDIO REYES Image caption The Harvard research suggests Covid-19 death rates in the US rose where there was a high concentration of fine particulate matter (PM2.5) High levels of air pollution could raise the risk of dying from Covid-19, two studies suggest.Dr Maria Neira, of the World Health Organization (WHO), told BBC News…