Here’s What You Can Expect COVID Symptoms to Look Like Day by Day—and Why Days 5 through 10 Are the Most Important

“With the cold and flu season set to outpace last year’s cases, many medical experts are worried about the possibility of a ‘twindemic,’” says Dr. Jyotsna Shah, PhD, president of IGeneX, Inc. “That is, they are concerned that a surge in flu cases, combined with the continuation of the COVID-19 pandemic may make for a potentially deadly winter.”