CNNNewsUncategorized Scientists edge closer to finding a biomarker for long Covid, which could lead to better tests and treatments by Chanel Rowe September 25, 2023 by Chanel Rowe September 25, 2023 Originally Published: 25 SEP 23 11:00 ET By Brenda Goodman, CNN (CNN) — People who have struggled to recover after Covid-19 often …