The regulator, the South African Health Products Regulatory Authority approved the use of Pfizer vaccine as a booster of the primary Pfizer vaccine two-dose series some time ago.
This approval is for the vaccination of people six months after the administration of the second dose – or in the case of immunocompromised people who receive an additional primary dose, after their third dose. SAHPRA has also approved the use of the Johnson and Johnson vaccine for boosters of the single-dose primary J&J schedule at least 2 months after primary vaccination.
From 24 December 2021, the National Vaccination Programme will provide J&J booster vaccinations to anyone who received their last dose at least 2 months prior .From 28th December 2021, the National Vaccination Programme will provide Pfizer booster vaccinations to anyone who received their last dose at least 6 months since the second primary dose.
Booster doses are the same vaccine in the same dose administered to people who have had a primary vaccination series and are administered to allow the body to boost its immunity to the Covid-19 virus.
Source: Healthcare Press (healthcarepress.net)