Long COVID: How clusters of symptoms have evolved and changed over the course of the pandemic

Millions of people have long experienced COVID since the first COVID “long-distance riders” were reported in 2020.

While “Long COVID” does not have a strict definition, it is generally used to describe illness after SARS-CoV-2 infection with symptoms lasting at least two to three months.

It can manifest in a whole range of symptoms, ranging from body aches to brain fog, and these can vary significantly from person to person, says Lou Irving, respiratory specialist and head of Royal Melbourne Hospital’s post-COVID clinic.

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