Coronavirus may have lesser after-effect on patients than Sars, with previously infected showing normal lung functions, Hong Kong expert says

Some patients who have recovered from Covid-19 are healthy and “energetic” with normal lung functions, a leading respiratory expert in Hong Kong has said, suggesting the coronavirus may have a lesser after-effect on survivors than Sars.But Dr David Hui Shu-cheong also warned that the city might have to brace for a long war against the pandemic until a vaccine is ready by next year, as a resurgence of cases was possible with the southern hemisphere entering winter in June, and the same for Hong…