FISTON MAHAMBA The Democratic Republic of Congo released its last confirmed Ebola patients from treatment centers on Monday, health authorities said, beginning a 42-day countdown to declaring the country free of the virus. Monday's release of six patients from treatment centers in the North Kivu region could mark the end of a month-long resurgence of the 2018-20 epidemic, which killed more than 2,200 people before it was initially declared over in June 2020. Twelve cases have been reported since the virus re-emerged at the beginning of February, killing six people. It's been three weeks since North Kivu health authorities have…