Gaborone, Botswana - 26 July 2019: Dr Stergomena Lawrence Tax, The Executive Secretary of the Southern Africa Development Community (SADC), this morning, hosted Dr Martins Ovberedjo, the WHO Representative to Botswana (WR), who was bidding her farewell as he completes his tour-of-duty in Botswana. Dr Ovberedjo has served in Botswana since January 2016 and he is leaving on re-assignment to Eritrea.