What is herd immunity anyway? Here’s how many people South Africa should vaccinate
- South Africa is planning to vaccinate two-thirds of its population to reach herd immunity.
- But the math isn’t that straightforward because it depends on the amount of protection each COVID vaccine provides.
- For example, if the country follows this plan with the Johnson & Johnson jab, we would not have sufficient protection to stop the spread of the coronavirus.
- Read the full script here.
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