COVID-19 disease severity correlates with smoking Status Édouard Lansiaux Henry Warembourg School of Medicine, Medical Student Lille University, 59000, Lille, France edouard.lansiaux.etu@univ-lille.fr Philippe P. Pébaÿ , Ph.D. NexGen Analytics Sheridan, WY 82801, U.S.A. philippe.pebay@ng-analytics.com Jean-Laurent Picard, M.Sc Conservatoire National des Arts et Métiers 75141 Paris, France jl@pi.cards Joachim Son-Forget, M.D.-Ph.D. Assemblée Nationale 75355, Paris, France joachim.son-forget@assemblee-nationale.fr April 23 th , 2020 All authors have completed and submitted the International Committee of Medical Journal Editors form for disclosure of potential conflicts of interest. No potential conflicts of interest were disclosed.