"A Rohingya man has become the first person to test positive for COVID-19 in the vast refugee camps in Bangladesh that are home to almost one million people, officials said Thursday. Health experts have long warned that the virus could race through the cramped, sewage-soaked alleys of the camps in the Cox's Bazar district, where the persecuted Muslim minority have been housed in canvas and bamboo shacks since they fled a military offensive in neigbouring Myanmar more than two years ago. Local health coordinator Abu Toha Bhuiyan initially said two refugees had been put into isolation (this story has since been updated). The World Health Organization later said one case was of a Rohingya man, and the other was of a local man who lived near the camp and was being treated at a clinic inside the area. "One patient is from the refugee population and the other one from the surrounding host population," WHO spokesman Mr Catalin Bercaru told AFP. Bercaru said "rapid investigation teams" were being deployed to follow up on the two cases. The patients' contacts are being traced for quarantine and testing..."