Stay informed with live updates on the current COVID-19 outbreak and visit our coronavirus hub for more advice on prevention and treatment.With the rollout of vaccination programs, the urgent question for policymakers is how soon it will be safe to relax restrictions again without risking further lockdowns and their associated adverse effects, both to economies and the well-being of their citizens.Now, epidemiologists at the University of Southampton’s WorldPop project in the United Kingdom and The Chinese University of Hong Kong in Shatin have created a model using cellphone geolocation data to help plan safe exits from lockdown.The researchers used the anonymized data to model the effect of different levels of mobility on the number of.