For something different, and a bit puzzling ...

"This preliminary analysis does not support the argument that current smoking is a risk factor for hospitalization for COVID-19. Instead, (...) nicotine may have beneficial effects on COVID-19." (1/2) https://www.qeios.com/read/article/561

Whilst the study design is far from perfect - and the authors are clear about its limitations - the evidence for a protective effect of smoking (or nicotine) against COVID-19 is bizarrely strong, ... actually far stronger than for any drug trialled at this stage ... (2/2)