By Raji Unnikrishnan
BAHRAIN is inching towards the much-desired ‘herd immunity’ with more than 70 per cent of its population vaccinated against the coronavirus (Covid-19).
‘Herd immunity’, also known as ‘population immunity’, is the indirect protection from an infectious disease that happens when a population is immune either through vaccination or immunity developed through previous infection.
WHO supports achieving ‘herd immunity’ through vaccination, not by allowing a disease to spread through any segment of the population, as this would result in unnecessary cases and deaths.
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