What to know about the blood test that shows if you have a rare coronavirus infection

When a new coronaviruses coronaviral infection, like the one that brought down the world's largest bank, suddenly appeared, many Americans were ready for an explanation.So when the World Health Organization announced the first cases in the United States of a newly emerging coronaviremia-like virus in February, it was met with skepticism.It seemed the new coronivirus was not an isolated...