Vaccinated SA health workers may get booster ImmunityBio shot May 21, 2021 Morning roundup of labour news on Thursday, 20 May 2021 May 20, 2021 General NUM demands a 15% wage increase for workers in gold mining sectorPosted by admin Fin24 reports that the National Union of Mineworkers (NUM) has put forward a 15% wage demand for its workers in the gold mining sector covering a three-year bargaining period from 2021 to 2023. Source: Latest News