Majority of Positive Coronavirus Cases on U.S. Aircraft Carrier are Symptom-Free

They call it a "novel coronavirus" for a reason; it's brand new. Whether it was created in a lab or not has yet to be proved but whether it's a naturally occurring phenomenon that's happened dozens of times in human history -- disease transmitted from animals to humans -- or not, the fact is we don't know very much about it. We're learning a lot, but there are still several key mysteries that need to be unraveled before we can truly believe ourselves to be safe.-- More...