COVID-19 infections, and remove the need for future lockdowns, according to a modelling study.The findings, published in the journal Nature Human Behaviour, also show that, in countries that have not yet reached the peak of active cases, lockdowns must remain in place for at least 60 days and deconfinement must be gradual in order to decrease the risk of second waves.The researchers from Barcelona Institute for Global Health (ISGlobal) in Spain noted that several countries that initially imposed strict lockdown measures to limit the spread of SARS-CoV-2 are in the process of lifting them.However, how and when to ease the restrictions is a difficult decision -- a delicate balance between the need to reactivate the economy and the risk of a.