Up to a million people could be tested for coronavirus by the end of week, the FDA said Monday, as cases across the US rose to more than 100 and health officials warned that the number will keep climbing. Cases of the virus have now been reported in 12 states -- the majority of them in California and Washington state, where six people have died. About a quarter of the current cases were likely transmitted through US communities, officials have said, meaning they were not travel-related. "My concern is as the next week or two or three go by, we're...