As coronavirus continues to surge across the country, spotting COVID early can be crucial in treating the virus. But how can you know that you're dealing with coronavirus in the earliest days of infection? According to Johns Hopkins, there are certain telltale signs of COVID that tend to emerge sooner rather than later—five to be exact—and these could tip you off that it's time to lock down. Read on to find out what they are, and for more information on COVID symptoms, check out If Your Symptoms Appear in This Order, You May Have Severe COVID.