CONCERN FOLLOWING RELEASE OF DATA ON REDUCED NEUTRALISING ANTIBODY ACTIVITY IN SERA FROM PFIZER VACCINEES (UPDATED) 2021-07-26T13:58:20+02:00Mar 1st, 2021|MAC Advisories - Vaccinations| click on the link below to download the pdf ADVISORY – Pfizer Vaccine_V4 facebooktwitterlinkedinwhatsappEmail Related Posts Vaccine Vaccines Ministerial Advisory Committee (VMAC) MANDATORY COVID-19 VACCINATIONS IN CERTAIN WORKPLACES. Ministerial Advisory Committee (MAC) STRATEGIES TO ADDRESS COVID-19 VACCINE HESITANCY AND PROMOTE ACCEPTANCE IN SOUTH AFRICA