Biological ‘fingerprints’ of long Covid in blood could lead to diagnostic test
Condition can persist for months, experts say
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Your support makes all the difference.The UK government is funding a host of new studies examining how to diagnose and treat "long Covid", a condition that can persist in patients for months after they are first infected with the disease.
The projects, which will have nearly £20 million pounds of government funding, will focus on better understanding the condition, identifying effective treatments and the best ways to care for those suffering from it.
People with long Covid can have symptoms ranging from fatigue and brain fog to breathlessness and organ damage, experts have said.
"This package of research will provide much-needed hope to people with long-term health problems after Covid-19," said Nick Lemoine, chair of the National Institute for Health Research's long Covid funding committee.
A team of researchers at Cambridge University will look into the development of a robust T cell assay to retrospectively diagnose Covid patients. The study will also monitor patients with long Covid.
Dr Mark Wills from the Department of Medicin, who co-leads the team, said: “We need a reliable and objective way of saying whether someone has had COVID-19. Antibodies are one sign we look for, but not everyone makes a very strong response and this can wane over time and become undetectable.
“We’ve identified a cytokine that is also produced in response to infection by T cells and is likely to be detectable for several months – and potentially years – following infection. We believe this will help us develop a much more reliable diagnostic for those individuals who did not get a diagnosis at the time of infection.”
Another study, at University College London, will recruit more than 4,500 people with long Covid to test the effectiveness of existing drugs as treatments over three months to see the impact on symptoms, mental health and the ability to return to work.
It will also look at whether MRI scans can be used to diagnose organ damage.
Meanwhile, another study at Cardiff University will look at whether the condition is caused by overactive or impaired immune responses, while research at Leeds, Oxford and Glasgow will examine the best care regime, the causes of breathlessness and the impact of obesity among people with long Covid, respectively.
The government has previously announced £100 million for services to support those with long Covid, with 80 assessment services open in England so far.
"This new research is absolutely essential to improve diagnosis and treatments and will be life-changing for those who are battling long-term symptoms of the virus," health minister Sajid Javid said.
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