Study reveals blood tests can offer early indicator of severe COVID-19 ANI | Updated: Mar 02, 2021 09:44 IST Washington [US], March 2 (ANI): A recent study has found that a series of biomarkers, or biological signals, associated with white blood cell activation and obesity can predict severe outcomes in COVID-19patients. The findings of the study were published in the journal 'Blood Advances'. When patients with COVID-19 arrive in emergency rooms, there are relatively few ways for doctors to predict which ones are more likely to become critically ill and ...