Could smoking and/or vaping make you more susceptible to covid-19 harms?

Yes: "The Food and Drug Administration has stated that "people who smoke cigarettes may be at increased risk of infection with the virus that causes COVID-19, and may have worse outcomes from COVID-19.” There is also growing evidence that vaping can harm lung health." REF: https://truthinitiative.org/research-resources/quitting-smoking-vaping/covid-19-connection-smoking-and-vaping-and-resources-for-q