New York: Achieving herd immunity to Covid-19 is an impractical public health strategy, say researchers, adding that, immunity is not perfect and achieving it through widespread exposure is very unlikely.
The study, published in the journal Proceedings of the National Academy of Sciences, investigated the suppression and mitigation approaches for controlling the spread of SARS-CoV-2, the virus that causes Covid-19.
“The herd immunity concept is tantalizing because it spells the end of the threat of Covid-19,” said study lead author Toby Brett from University of Georgia in the US.
“However, because this approach aims to avoid disease elimination, it would need a constant adjustment of lockdown measures to ensure enough people are being infected at a particular point in time,” Brett added.
The research team sought to determine if and how countries could achieve herd immunity…