‘To achieve herd immunity against Covid-19, a substantial proportion of a population would need to be vaccinated but we are currently uncertain as to what this percentage is. In some diseases like measles 90-95 per cent of a population need to be vaccinated to achieve herd immunity; in others like polio we require about 80 per cent.
‘It is very likely that for Covid-19 we will require at least 75-85 per cent of the population to be vaccinated. This can be supplemented by those who had prior infection with Covid-19.’
Read here (Malay Mail, Mar 18, 2021)
