Genetic analysis of the coronavirus gives scientists clues about how it’s spreading 

Photo by STR/AFP via Getty Images As the coronavirus spreads around the globe, it has mutated in tiny, subtle ways. Those mutations aren’t cause for concern, and so far, don’t appear to be making the virus any more or less dangerous. But scientists can use those slight changes to track the virus from person to person, and location to location.“If we identify a new outbreak cluster in one state, and there’s a question of whether it’s related to a previous cluster or