Scientists in the US and UK have begun a new drive to understand why so many people continue to suffer Covid-19 symptoms for months or years after their infection.
The Long Covid Research Initiative is seeking to raise $100mn to answer the most pressing questions about a condition that affects tens of millions of people worldwide.
Top priority is to discover whether long Covid sufferers retain a reservoir of the Sars-Cov-2 virus that causes the disease within their bodies — which could explain symptoms such as exhaustion and brain fog. These linger well after patients have stopped being infectious.
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