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A local analysis found early evidence of promising protective effects of the Pfizer vaccine in South Africa — even among those who had received only one dose. (Photo by Dinendra Haria/SOPA Images/LightRocket via Getty Images)
ASPEN PHARMACARE

The EVDS will schedule your appointments six weeks apart. Here’s why

South Africa has doubled the interval for the second dose of the Pfizer vaccine. We take a look at what other countries have done and the evidence for the move

  • Aisha Abdool Karim
  • Joan Van Dyk
8 min read