Covid-19 and air pollution: communicating the results of geographic correlation studies

The Covid-19 pandemic has conveyed a great deal of interest in epidemiology, which has received unprecedented attention within the scientific community, as well as from the media and from decision makers. Some of the many scientific articles regarding the SARS-CoV-2 outbreak published or released in pre-print mode examined the relationship between air pollution and Covid-19 cases or deaths. They received ample media coverage, attracted public attention, and raised a debate that will presumably continue