Covid: 'Israel may be reaching herd immunity'
A leading Israeli doctor believes the country may be close to reaching "herd immunity"./ This happens when enough of a population has protection against an infection that it stops being able to spread - and even people who don't themselves have immunity are indirectly protected./ For Covid the estimated threshold for herd immunity is at least 65%-70%./ Dr Sarah Pitt, a virologist at the University of Brighton, urged "extreme caution" in concluding that herd immunity had been reached - something she believes will be difficult even at high ...
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