SOUTH Africa has begun the second phase of its public vaccination campaign, targeting people aged 60 or older. The first vaccinations were given in February to health workers. So far almost 600,000 healthcare workers and members of the public have been vaccinated. KERRIGAN MCCARTHY, Pathologist, Centre for Vaccines and Immunology, NICD, National Institute for Communicable Diseases Healthcare workers have received the Johnson & Johnson vaccine, while the Pfizer vaccine is being rolled out as part of Phase 2 for members of the public. A crucial aspect of the vaccination campaign is tracking adverse reactions. It’s imperative that all health events…