WHO Chief scientist estimates that about 50% to 60% of the population will need to be immune to the coronavirus for there to be any protective 'herd immunity' effect

The chief scientist at the World Health Organization estimated Friday that about 50% to 60% of the population will need to be immune to the coronavirus for there to be any protective “herd immunity” effect. Herd immunity is usually achieved through vaccination and occurs when most of a population is…

In a social media live event organised by the World Health Organisation from Geneva, the scientist said that more waves of the infection would be required to get to a stage of natural immunity.

The coronavirus has so far claimed over 6.3 lakh lives with more than 15.5 million confirmed cases across the world.Most people who recover from COVID-19 develop neutralising antibodies, which means a vaccine has a good chance of offering protective immunity, WHO chief said

Scientists are examining whether we need to touch the 70% level for herd immunity

A fast, easy, and sensitive new antibody test detects the specific biomarkers of long-term immune protection against SARS-CoV-2 that can answer that question.