COVID-19 has dominated basically everything about our lives the past few months. But while it’s consumed news coverage and become the main thing on our minds when we leave the house (for those of us lucky enough to go outdoors), there are still many aspects about the coronavirus that remain a mystery even to the experts. (Case in point: There’s now only one way to contract COVID-19 at the grocery store, the CDC recently said.)  Whether it’s why some regions are harder hit than others, or how the virus is impacted by the temperature, here are seven big questions that remain to be answered about COVID-19.  To read the full story.