There will be a rise in the number of people suffering "debilitating" long-term after-effects of a Covid-19 infection, academics have warned, as they said that so-called long Covid could actually be four different syndromes.
Some people are still suffering symptoms seven months after infection and those who had a mild illness at the start can have worse ongoing symptoms than patients who initially needed intensive care treatment.
Even children can suffer, researchers said. Meanwhile, some people are living with a "rollercoaster of symptoms" that "move around the body".
Researchers from the UK National Institute for Health Research who reviewed the available evidence said ongoing Covid symptoms examined reports from people of all ages and