By James Pomfret HONG KONG (Reuters) – Lam Foon, 98, sits propped up and swaddled in soggy woollen blankets in a hospital bed just outside the entrance to Hong Kong’s Caritas Medical Centre, waiting for tests to confirm her preliminary positive result for COVID-19. “I don’t feel so good,” she told Reuters through a surgical mask, next to a similarly wrapped patient wearing a mask and face shield. Lam was one of dozens of patients lying in the parking lot of Caritas on Thursday, after there was no more room inside the hospital that serves 400,000 people in the working-class district of Cheung S…