LONDON (Reuters) – Prime Minister Rishi Sunak will on Saturday meet leaders of England’s health service, as it faces one of its toughest ever winters as flu and COVID-19 spread amid strike action by frontline staff who say high inflation has eroded their salaries. Ambulances have been queuing outside hospitals, facing long waits to hand over patients to emergency wards as doctors and nurses, hampered by worker shortages, struggle to discharge patients amid staff shortages. Sunak’s Downing Street office said Saturday’s NHS (National Health Service) Recovery Forum would focus on four issues incl…