At its worst, long Covid can lead to complete debilitation. It can cause fatigue and an inability to complete basic tasks.

But understanding the cause and the cure for the illness has been a challenge for scientists. 

This challenge becomes more urgent as case numbers rise. 

Today, contributor to The Saturday Paper Bianca Nogrady on the people living with long Covid.

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Guest: Contributor to The Saturday Paper Bianca Nogrady

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