8.3.6 Herd Immunity
8.3.6.1 Impact of non-pharmaceutical interventions (NPIs) to reduce COVID19 mortality and healthcare demand
8.3.6.2 COVID-19: What is herd immunity?
8.3.8.3.6.3 What is Herd Immunity? UK’s Strategy for Coronavirus
8.3.6.4 Boris Johnson: containment of Covid-19 ‘unlikely to work on its own’
8.3.6.5 Experts Hope Herd Immunity ‘Flattens’ The Coronavirus Curve