Long-term health effects of Covid-19 could cause a ‘cycle of illness,’ scientists warn

The long-term health effects of Covid-19 could cause a 'cycle of illness' and strain care systems, researchers have warned. Many coronavirus patients have reported debilitating symptoms months after initially falling ill, with common 'long Covid' symptoms including breathlessness, chronic fatigue and brain fog. The reasons behind them are still unknown, scientists said. Dr Rachael Evans, a co-investigator on a UK-wide investigation into the long-term effects of Covid-19 for patients admitted to hospital, said: 'At the moment it is just so unknown.