A team from Lawson Health Research Institute and Western University are the first in the world to profile the body's immune response to COVID-19. By studying blood samples from critically ill patients at London Health Sciences Centre (LHSC), the research team identified a unique pattern of six molecules that could be used as therapeutic targets to treat the virus. The study is published this week in Critical Care Explorations.

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Since the pandemic's start there have been reports that the immune system can overreact to the virus and cause a cytokine storm - elevated levels of inflammatory molecules that damage healthy cells.

"Clinicians have been trying to address this hyperinflammation but without evidence of what to target," explains Dr. Douglas Fraser, lead researcher from Lawson and Western's Schulich School of Medicine & Dentistry and Critical Care Physician at LHSC. "Our study takes away the guessing by identifying potential therapeutic targets for the first time."