We have to stop infections from spreading, and the resultant development of new and possibly more deadly variants requiing new or adjusted vaccines. Each time it happens, in addition to the human toll, the economic costs rise. Conversely, preventing outbreaks and stopping new variants has a definite financial benefit.
In the face of potentially significant vaccine hesitancy in South Africa – both Nids-Cram and an earlier HSRC survey show that a third of the population have yet to be convinced of the value of vaccines – it’s vital that we understand and appreciate that a vaccination progromme that achieves herd immunity (in South Africa’s case, some 67% of the population) is the only way out.
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