News events and their relationship with US vape sales: an interrupted time series analysis.

Objective: News coverage around vaping-related events may have furthered misconceptions regarding the relative harms of vapes. Such information may influence the decisions of individuals who smoke, around switching to vaping, potentially affecting the overall tobacco mortality burden. Thus, it is prudent to study how news events (e.

COVID-19 vaccine perceptions in the initial phases of US vaccine roll-out: an observational study on reddit.

Background: Open online forums like Reddit provide an opportunity to quantitatively examine COVID-19 vaccine perceptions early in the vaccine timeline. We examine COVID-19 misinformation on Reddit following vaccine scientific announcements, in the initial phases of the vaccine timeline.

Methods: We collected all posts on Reddit (reddit.