(CNN) It's been more than four months since China reported a cluster of cases of pneumonia in Wuhan, but so many questions are still unanswered about what we now know to be a coronavirus that's wreaked havoc and misery around the world -- including where the virus was, and when. Cases were first reported outside China in Southeast Asia in January. The US reported its first case January 21, in Washington State. Here's what we now know about the shifting timeline of when the virus first appeared. Genetic analysis shows the virus spread around the world starting late last yearRead More

Source: CNN May 07, 2020 02:26 UTC