[Tunis Afrique Presse] Tunis/Tunisia -- As part of preparations ahead of the Francophonie Summit next November in Djerba, the governorate of Medenine will organise next Sunday an open COVID-19 vaccination day for all workers in the various occupational sectors at the seat of the Houmet Essouk municipality, head of the occupational medicine department in Medenine Latifa Thabet stated to TAP on Thursday.