Sure Signs You've Already Had COVID, According to Science

With the Delta variant tearing through America, coronavirus is continuing to be a terrifying disease, in that so many people are asymptomatic, while others die—and still others live, but are maimed. These latter folks, dubbed long haulers, have symptoms after shedding the virus that have lasted a year, and may last for life. And it can ruin their life. "This is a phenomenon that is really quite real and quite extensive," Dr. Anthony Fauci, the nation's top infectious diseases expert, said at an NIH conference last year about Post-COVID Syndrome, or Long COVID. Read on to see if you have any of the hallmark symptoms scientists have discovered—and to ensure your health and the health of others, don't miss these Sure Signs You've Already Had Coronavirus.