J&J vaccine data will be reviewed over a few days, no concern in SA to date 14 April 2021 - 13:17 By TimesLIVE No major safety issues have been identified in SA thus far regarding the Johnson & Johnson vaccine. File photo. Image: REUTERS/DADO RUVIC The SA Health Products Regulatory Authority (Sahpra) says no major safety concerns have been identified in the country so far with the J&J Covid-19 vaccine. The authority, an entity of the national department of health, said it, together with its scientific expert committees, recently reviewed the data from the Sisonke phase 3b implementation study. “Based on these data, no major safety concerns have been identified. No causal relationship between vaccination and the development of blot clots is evident at this stage.”