Letter in response to ‘Modelling SARS-COV2 spread in London: Approaches to lift the lockdown’ local experience, national questions. How local is local enough? - Gil, Eliza; Weller, Sophie; Rokadiya, Sakib; Mirfenderesky, Mariyam; Ahmed, Aliko; Schwenk, Achim (The Journal of infection, 2021)