Researchers have developed a computational model that predicts how likely a person is to develop long COVID, based on an analysis of more than 6,500 proteins found in blood.
In a study published on 18 January in Science, the team compared blood samples from people who tested positive for COVID-19 with ones from healthy adults, and found notable differences in the composition of proteins in people with long COVID, those who recovered and those who were never infected.
The analysis suggests that proteins involved in immune responses, blood clotting and inflammation could be key biomarkers in diagnosing and monitoring long COVID, which affects an estimated 65 million people worldwide.
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