Many recovered coronavirus patients who did not need to be hospitalized are still facing serious health problems months later, according to a study commissioned by the Longfonds. While 94 percent say they do not feel as healthy as they did before the viral infection, some 60 percent of this group said they still have breathing symptoms which make it difficult to take a walk, and nearly half are unable to exercise, Longfonds director Michael Rutgers said in a statement. "We find this really shocking." The Longfonds, treatment center CIRO, and Maastricht University surveyed 1,600 people who reported they had symptoms after recovering from the coronavirus. Rutgers said it was the first time that these patients have really come into the picture, as most were never treated in medical centers. Longfonds and CIRO said 91 percent of respondents were not hospitalized, and 43 percent were never formally tested for Covid-19, the respiratory disease caused by this SARS-CoV-2 coronavirus. These