Pfizer (NYSE:PFE) and BioNTech (NSDQ:BNTX) today announced an agreement with Biovac to manufacture the companies’ COVID-19 vaccine for distribution in Africa. Cape Town, South Africa-based Biovac will perform manufacturing and distribution activities within Pfizer and BioNTech’s global COVID-19 vaccine supply chain and manufacturing network to aid in distribution within the African Union, according to a…