Reports say Boris Johnson now regrets not locking down earlier in March 2020 and believes the advice he was receiving about infection spread was based on out-of-date projections. Photograph: Stefan Rousseau/PA Reports say Boris Johnson now regrets not locking down earlier in March 2020 and believes the advice he was receiving about infection spread was based on out-of-date projections. Photograph: Stefan Rousseau/PA Wed 17 Mar 2021 02.00 EDT Last modified on Thu 18 Mar 2021 01.08 EDT Public support for a statutory public inquiry into the UKâs handling of the Covid-19 pandemic is running more than twice as high as opposition to the idea, exclusive polling for the Guardian has revealed.