JOHANNESBURG (AP) - A South African firm will begin producing the Pfizer/BioNTech COVID-19 vaccine, the first time that the shot will be produced in Africa, Pfizer announced Wednesday.The Biovac Institute based in Cape Town will manufacture the vaccine for distribution across Africa, in a move that should help address the continent's desperate need for more vaccine doses amid a recent surge of cases.Biovac will receive large batch ingredients for the vaccine from Europe and will blend the components, put them in vials and package them for distribution.