When will we reach herd immunity? Here are 3 reasons that's a hard question to answer
- Written by Julie Leask, Professor, University of Sydney
As we try to control COVID-19, many people are keen to know what proportion of the population will need to be vaccinated in order to reach “herd immunity”.
It’s a reasonable question. People are asking because they want to know when we’ll see an end to lockdowns; when they’ll be able to reunite with loved ones...
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