© Konstantinos Farsalinos et al. actually far stronger than for any drug trialled at this stage...via nicotineWhat is an ACE-2 receptor and what does it have to do with Covid-19© R&D Systems'Very difficult to understand'Early US data shows just 1.3 per cent of coronavirus patients are smokers© Centers for Disease Control & Prevention© Jin Yin-tan Hospital© New England Journal of Medicine© NYU Grossman School of Medicine