TUNISIA will impose a four-day national lockdown from tomorrow along with lesser measures lasting until January 24 to combat a sharp rise in COVID-19 cases, Health Minister Fouzi Mehdi has announced. "The situation is very critical and the vaccination will not come before February," Mehdi said. Other measures will include rotating staffing in-state jobs to reduce people in offices and transport, school closures, longer curfew hours and the removal of all chairs from cafes. On Monday Tunisia announced a new record high for confirmed cases in a day of 3,074 and said the intensive care units in most public hospitals…