South African variant may cut response from Pfizer/BioNTech shot, study findsThe South African coronavirus variant may cut the effectiveness of Pfizer/BioNTech’s vaccine by around two thirds, according to Share XSouth African variant may cut response from Pfizer/BioNTech shot, study findshttps://pharmaphorum.com/news/south-african-variant-may-cut-response-from-pfizer-biontech-shot-study-finds/