East Tennessee State University seeks participants who have been diagnosed with COVID-19 experiencing symptoms 90 days after recovery for a new study.Researchers aim to survey those known as “long haulers,” people who experience lingering symptoms after having had COVID-19.The long haul study requires participants to be at least 18 years old who received a diagnosis of COVID-19.For more information, call 423-430-2443 or email adkinsjl1@etsu.edu.