'How big is coronavirus going to be?' - Prof of Infectious Disease Modelling Graham Medley - who has been advising the government on Covid-19 - believes the impact of the pandemic will be "remembered in the same kind of way" as the London Blitz during World War Two. Prof Graham Medley is Academic Chair of the Scientific Pandemic Influenza Group on Modelling. SPI-M gives expert advice to the Department of Health and Social Care and wider UK government on scientific matters relating to the UK’s re